Islip - Macarthur (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius; -
Maximum daytime temperature: 9° Celsius; Minimum nighttime temperature: 1° Celsius;
Maximum daytime temperature: 9 degrees Celsius; Minimum nighttime temperature: 1 degrees Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 7 degrees Celsius; Minimum nighttime temperature: 3 degrees Celsius; -
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 6 degrees Celsius;
-
Maximum daytime temperature: 13° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 13 degrees Celsius; Minimum nighttime temperature: 8 degrees Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: -2° Celsius;
Maximum daytime temperature: 12 degrees Celsius; Minimum nighttime temperature: -2 degrees Celsius;
-
Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: -1° Celsius;
Maximum daytime temperature: 5 degrees Celsius; Minimum nighttime temperature: -1 degrees Celsius;
Overcast changing to sunny intervals by late morning.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Islip - Macarthur
Today (22 March 2026)
| Time |
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
 |
|
 |
|
|
|
|
|
|
|
|
 |
|
 |
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
20%
|
10%
|
30%
|
40%
|
40%
|
40%
|
70%
|
90%
|
80%
|
70%
|
| Temperature |
6°
|
6°
|
6°
|
7°
|
7°
|
8°
|
9°
|
9°
|
10°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
4°
|
4°
|
3°
|
4°
|
4°
|
5°
|
6°
|
7°
|
8°
|
9°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
10°
|
| Wind direction and speed |
SSE
8
|
SSE
9
|
SSE
10
|
S
11
|
S
11
|
S
11
|
S
11
|
SSW
11
|
SSW
11
|
SSW
10
|
SSW
8
|
SSW
7
|
SSW
6
|
SSW
6
|
S
6
|
S
5
|
SSW
3
|
S
3
|
SE
3
|
| Wind gust (mph) |
17
|
19
|
20
|
20
|
20
|
21
|
22
|
22
|
21
|
18
|
16
|
14
|
13
|
13
|
12
|
9
|
8
|
7
|
7
|
| Visibility |
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
M
|
P
|
| Humidity |
87%
|
90%
|
91%
|
91%
|
88%
|
86%
|
85%
|
84%
|
82%
|
82%
|
83%
|
83%
|
83%
|
84%
|
86%
|
88%
|
91%
|
93%
|
96%
|
| UV | - | 1 | 1 | 1 | 1 | 3 | 3 | 4 | 3 | 1 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Monday (23 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
| Chance of precipitation |
60%
|
50%
|
70%
|
80%
|
90%
|
90%
|
90%
|
90%
|
80%
|
80%
|
70%
|
60%
|
40%
|
20%
|
20%
|
20%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
7°
|
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
6°
|
7°
|
8°
|
8°
|
8°
|
7°
|
6°
|
5°
|
4°
|
| Feels like temperature (°C) |
10°
|
10°
|
9°
|
9°
|
8°
|
7°
|
6°
|
4°
|
3°
|
2°
|
2°
|
1°
|
1°
|
1°
|
2°
|
3°
|
4°
|
5°
|
6°
|
5°
|
4°
|
2°
|
1°
|
0°
|
| Wind direction and speed (mph) |
E
3
|
NE
3
|
NNE
5
|
NNE
7
|
NNE
9
|
NNE
10
|
NNE
10
|
NNE
11
|
NNE
11
|
NNE
11
|
NNE
11
|
NNE
12
|
N
12
|
N
12
|
N
11
|
N
11
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
11
|
NNW
13
|
NNW
14
|
NNW
13
|
| Wind gust (mph) |
8
|
9
|
13
|
17
|
19
|
20
|
22
|
23
|
22
|
22
|
22
|
22
|
23
|
23
|
22
|
22
|
20
|
20
|
20
|
22
|
26
|
27
|
26
|
26
|
| Visibility (description) |
M
|
M
|
M
|
M
|
P
|
P
|
P
|
P
|
P
|
P
|
M
|
M
|
M
|
M
|
M
|
M
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
97%
|
97%
|
97%
|
96%
|
94%
|
92%
|
92%
|
92%
|
91%
|
90%
|
86%
|
85%
|
83%
|
82%
|
80%
|
71%
|
61%
|
52%
|
45%
|
43%
|
41%
|
41%
|
41%
|
40%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 4 | 2 | 1 | 1 | 1 | 1 | - | - | - | - |
Tuesday (24 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
 |
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
3°
|
3°
|
3°
|
2°
|
2°
|
2°
|
2°
|
1°
|
1°
|
2°
|
3°
|
4°
|
5°
|
5°
|
6°
|
7°
|
7°
|
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
| Feels like temperature (°C) |
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-2°
|
-1°
|
1°
|
4°
|
4°
|
4°
|
4°
|
4°
|
3°
|
3°
|
1°
|
1°
|
1°
|
1°
|
1°
|
| Wind direction and speed (mph) |
NNW
13
|
NNW
12
|
NNW
12
|
NNW
12
|
NNW
11
|
NNW
10
|
NNW
10
|
NNW
10
|
NNW
9
|
NNW
10
|
N
9
|
N
6
|
N
4
|
SSW
4
|
SSW
6
|
SSW
8
|
SW
10
|
SW
10
|
SSW
11
|
SSW
12
|
SSW
12
|
SSW
12
|
SSW
11
|
SSW
11
|
| Wind gust (mph) |
25
|
23
|
23
|
21
|
20
|
19
|
18
|
17
|
18
|
18
|
17
|
14
|
12
|
14
|
19
|
22
|
23
|
23
|
23
|
23
|
22
|
22
|
22
|
21
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
41%
|
41%
|
41%
|
42%
|
42%
|
41%
|
41%
|
41%
|
41%
|
39%
|
37%
|
34%
|
26%
|
24%
|
22%
|
22%
|
23%
|
27%
|
37%
|
39%
|
47%
|
53%
|
57%
|
61%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Wednesday (25 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
5°
|
5°
|
5°
|
4°
|
4°
|
4°
|
4°
|
4°
|
4°
|
5°
|
5°
|
6°
|
7°
|
8°
|
9°
|
9°
|
9°
|
10°
|
9°
|
9°
|
8°
|
8°
|
7°
|
7°
|
| Feels like temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
2°
|
2°
|
3°
|
4°
|
5°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
6°
|
5°
|
5°
|
5°
|
| Wind direction and speed (mph) |
SSW
11
|
SW
10
|
SW
9
|
SW
8
|
SW
7
|
SW
7
|
WSW
6
|
SW
6
|
SW
5
|
SW
6
|
SW
7
|
SW
7
|
SW
8
|
SSW
8
|
SSW
9
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
10
|
SSW
9
|
SSW
9
|
SSW
9
|
SSW
9
|
| Wind gust (mph) |
21
|
19
|
17
|
15
|
14
|
12
|
11
|
10
|
12
|
14
|
15
|
15
|
17
|
19
|
20
|
20
|
21
|
21
|
20
|
20
|
18
|
18
|
17
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
62%
|
64%
|
64%
|
66%
|
67%
|
67%
|
71%
|
72%
|
69%
|
67%
|
63%
|
59%
|
55%
|
52%
|
45%
|
45%
|
51%
|
51%
|
54%
|
56%
|
62%
|
65%
|
70%
|
72%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | - | - |
Thursday (26 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
40%
|
| Temperature (°C) |
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
7°
|
7°
|
8°
|
9°
|
10°
|
11°
|
12°
|
12°
|
13°
|
12°
|
12°
|
12°
|
11°
|
10°
|
| Feels like temperature (°C) |
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
6°
|
8°
|
9°
|
10°
|
10°
|
10°
|
11°
|
10°
|
10°
|
10°
|
9°
|
8°
|
| Wind direction and speed (mph) |
SSW
8
|
SSW
7
|
SSW
7
|
SSW
6
|
SSW
6
|
SSW
5
|
SSW
5
|
S
5
|
SE
5
|
ESE
6
|
ESE
6
|
ESE
6
|
SE
6
|
SSE
7
|
S
8
|
S
10
|
S
10
|
S
10
|
S
10
|
S
10
|
S
10
|
S
11
|
| Wind gust (mph) |
15
|
15
|
13
|
12
|
11
|
9
|
10
|
10
|
12
|
13
|
14
|
15
|
16
|
18
|
20
|
20
|
21
|
21
|
20
|
19
|
21
|
22
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
73%
|
74%
|
76%
|
76%
|
78%
|
80%
|
80%
|
80%
|
78%
|
73%
|
68%
|
61%
|
58%
|
57%
|
54%
|
53%
|
55%
|
57%
|
61%
|
65%
|
69%
|
80%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 5 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | 1 | - | - |
Friday (27 March 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
50%
|
50%
|
30%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
11°
|
11°
|
10°
|
11°
|
11°
|
8°
|
4°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
7°
|
8°
|
8°
|
5°
|
1°
|
| Wind direction and speed (mph) |
SSW
11
|
WSW
11
|
WNW
11
|
NW
12
|
NW
13
|
NW
13
|
NNW
12
|
NNW
12
|
| Wind gust (mph) |
23
|
23
|
25
|
27
|
28
|
28
|
25
|
23
|
| Visibility (description) |
G
|
M
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
88%
|
91%
|
83%
|
52%
|
30%
|
23%
|
23%
|
23%
|
| UV | - | - | 1 | 4 | 5 | 1 | - | - |
Saturday (28 March 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
2°
|
0°
|
-1°
|
1°
|
4°
|
4°
|
3°
|
1°
|
| Feels like temperature (°C) |
-3°
|
-5°
|
-6°
|
-2°
|
1°
|
1°
|
-1°
|
-2°
|
| Wind direction and speed (mph) |
NNW
11
|
NNW
9
|
NNW
8
|
NNW
7
|
WNW
6
|
W
7
|
SW
8
|
SW
6
|
| Wind gust (mph) |
20
|
18
|
18
|
19
|
20
|
21
|
16
|
15
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
26%
|
32%
|
30%
|
24%
|
23%
|
22%
|
29%
|
42%
|
| UV | - | - | 1 | 5 | 5 | 1 | - | - |
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Forecast for 6am (UTC-4) Sunday
Updated 06:22 (UTC) on Sun 22 Mar 2026
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