Islip - Macarthur (United States of America) weather

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Forecast days

Today

Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: -4° Celsius;

Sunrise: 07:15

Sunset: 16:50

Sunny.

L UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: -4° Celsius;
Fri 16 Jan

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: 0° Celsius;

Sunrise: 07:15

Sunset: 16:51

Sunny changing to partly cloudy by early evening.

L UV

No pollution data.

No pollen data.

Fri 16 Jan

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: 0° Celsius;
Sat 17 Jan

Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: 0° Celsius;

Sunrise: 07:14

Sunset: 16:52

Overcast changing to clear by nighttime.

L UV

No pollution data.

No pollen data.

Sat 17 Jan

Maximum daytime temperature: 4° Celsius; Minimum nighttime temperature: 0° Celsius;
Sun 18 Jan

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: -3° Celsius;

Sunrise: 07:14

Sunset: 16:53

Cloudy.

L UV

No pollution data.

No pollen data.

Sun 18 Jan

Maximum daytime temperature: 2° Celsius; Minimum nighttime temperature: -3° Celsius;
Mon 19 Jan

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -4° Celsius;

Sunrise: 07:13

Sunset: 16:54

Sunny changing to cloudy in the afternoon.

L UV

No pollution data.

No pollen data.

Mon 19 Jan

Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -4° Celsius;
Tue 20 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -3° Celsius;

Sunrise: 07:12

Sunset: 16:56

Sunny.

L UV

No pollution data.

No pollen data.

Tue 20 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -3° Celsius;
Wed 21 Jan

Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 0° Celsius;

Sunrise: 07:12

Sunset: 16:57

Sunny intervals changing to partly cloudy in the afternoon.

L UV

No pollution data.

No pollen data.

Wed 21 Jan

Maximum daytime temperature: 5° Celsius; Minimum nighttime temperature: 0° Celsius;

Sunny.

Sunrise: 07:15

Sunset: 16:50

L UV

No pollution data.

No pollen data.

7 day forecast for Islip - Macarthur

Today (15 January 2026)

Time	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%
Temperature (°C)	4°	4°	4°	3°	3°	2°	1°	0°	0°	-1°	-1°
Feels like temperature (°C)	-1°	-1°	-1°	-1°	-2°	-3°	-4°	-5°	-5°	-6°	-6°
Wind direction and speed (mph)	WSW 14	WSW 14	WSW 14	WSW 13	WSW 12	W 12	W 11	W 11	W 10	W 10	W 10
Wind gust (mph)	34	34	33	31	30	28	27	26	25	23	23
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	40%	38%	33%	28%	29%	34%	36%	37%	37%	38%	39%
UV	2	1	1	1	-	-	-	-	-	-	-

Friday (16 January 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)	-2°	-2°	-2°	-3°	-4°	-4°	-4°	-4°	-4°	-4°	-3°	-2°	-1°	1°	1°	2°	2°	2°	2°	2°	2°	1°	1°	1°
Feels like temperature (°C)	-7°	-7°	-7°	-9°	-10°	-10°	-10°	-10°	-10°	-9°	-9°	-7°	-6°	-4°	-3°	-2°	-2°	-2°	-2°	-2°	-2°	-2°	-2°	-2°
Wind direction and speed (mph)	W 10	W 10	WNW 10	WNW 12	WNW 12	WNW 11	WNW 10	WNW 10	WNW 10	WNW 10	WNW 12	W 12	W 12	W 12	W 10	W 10	WSW 10	WSW 9	SW 9	SW 9	SW 9	SW 8	SW 8	SSW 7
Wind gust (mph)	23	24	28	30	28	26	24	23	24	28	29	30	29	28	26	24	22	21	20	19	19	17	17	15
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	39%	40%	41%	40%	40%	39%	39%	39%	38%	36%	32%	29%	24%	20%	21%	20%	22%	25%	38%	40%	40%	41%	41%	41%
UV	-	-	-	-	-	-	-	1	1	1	2	2	2	2	1	1	1	-	-	-	-	-	-	-

Saturday (17 January 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%	10%	20%	20%	10%	20%	20%	20%	30%	30%	30%	20%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	1°	1°	1°	1°	1°	2°	2°	1°	1°	2°	2°	3°	3°	3°	3°	3°	3°	3°	3°	3°	3°	2°	2°	2°
Feels like temperature (°C)	-2°	-2°	-2°	-2°	-1°	-1°	-1°	-1°	-1°	-1°	0°	0°	0°	0°	1°	0°	0°	0°	0°	0°	0°	0°	0°	0°
Wind direction and speed (mph)	SSW 7	SSW 6	SSW 6	SSW 6	SSW 6	SSW 6	SSW 5	SSW 5	SSW 4	SSW 4	SW 5	SW 6	SW 6	SW 7	SW 7	SW 7	SW 7	SW 7	WSW 6	WSW 7	WSW 6	WSW 6	WSW 5	WSW 5
Wind gust (mph)	14	13	13	12	12	12	10	10	10	10	13	15	15	17	17	17	16	16	15	15	14	13	12	12
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	G	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	42%	46%	52%	54%	55%	55%	57%	59%	61%	59%	59%	62%	63%	65%	67%	68%	74%	70%	77%	76%	74%	73%	73%	72%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-	-

Sunday (18 January 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%	10%	10%	10%	10%	10%	10%	10%	20%	30%	20%	20%	20%	20%	10%	10%	<5%
Temperature (°C)	2°	2°	2°	2°	1°	1°	1°	1°	1°	1°	1°	1°	1°	2°	2°	2°	2°	2°	1°	1°	1°	1°	0°	0°
Feels like temperature (°C)	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	-1°	0°	-1°	-1°	-1°	-2°	-3°	-3°	-4°
Wind direction and speed (mph)	SW 6	WSW 5	WSW 5	WSW 5	WSW 5	W 5	W 5	W 4	W 4	WSW 4	WSW 4	W 5	W 5	WNW 5	WNW 5	W 5	W 5	W 4	W 5	W 5	W 6	WNW 6	WNW 7	WNW 6
Wind gust (mph)	12	12	12	11	11	10	10	10	10	11	12	12	13	13	13	11	11	11	12	13	13	13	14	13
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	73%	74%	73%	72%	69%	69%	68%	70%	68%	67%	68%	63%	61%	55%	54%	50%	49%	48%	46%	47%	48%	50%	53%	50%
UV	-	-	-	-	-	-	-	1	1	1	1	1	1	1	1	1	1	-	-	-	-	-	-	-

Monday (19 January 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	22:00
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%
Temperature (°C)	-1°	-1°	-1°	-2°	-2°	-3°	-3°	-3°	-3°	-2°	-1°	0°	1°	1°	2°	3°	3°	3°	2°	2°	1°
Feels like temperature (°C)	-4°	-4°	-5°	-6°	-6°	-6°	-6°	-6°	-6°	-5°	-5°	-4°	-4°	-3°	-3°	-2°	-2°	-2°	-2°	-2°	-3°
Wind direction and speed (mph)	WNW 6	WNW 6	WNW 6	WNW 6	W 6	W 5	W 5	WSW 5	WSW 5	WSW 6	WSW 8	WSW 10	SW 11	SW 13	WSW 13	WSW 13	WSW 13	WSW 12	WSW 11	WSW 10	W 10
Wind gust (mph)	14	13	13	13	13	12	12	12	14	18	23	27	30	31	32	32	30	27	25	25	25
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	48%	48%	46%	46%	45%	46%	47%	47%	45%	44%	41%	40%	38%	37%	35%	33%	32%	35%	37%	37%	37%
UV	-	-	-	-	-	-	-	1	1	1	2	2	2	2	1	1	1	-	-	-	-

Tuesday (20 January 2026)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	0°	-2°	-4°	-3°	-2°	-1°	-1°	-2°
Feels like temperature (°C)	-5°	-7°	-8°	-9°	-7°	-6°	-5°	-6°
Wind direction and speed (mph)	WNW 9	WNW 9	WNW 8	WNW 10	W 11	W 10	W 8	WSW 7
Wind gust (mph)	24	22	22	27	28	25	19	17
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	36%	34%	34%	30%	22%	22%	22%	27%
UV	-	-	1	2	2	1	-	-

Wednesday (21 January 2026)

Time	01:00	04:00	07:00	10:00	13:00	16:00	19:00	22:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	-2°	-2°	-1°	1°	4°	5°	4°	3°
Feels like temperature (°C)	-6°	-6°	-6°	-3°	-1°	1°	1°	0°
Wind direction and speed (mph)	SW 7	SW 7	SW 8	SW 10	SW 14	SW 11	SW 10	SW 9
Wind gust (mph)	18	18	23	31	31	27	21	19
Visibility (description)	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	34%	39%	43%	42%	36%	34%	42%	46%
UV	-	-	1	2	2	1	-	-

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Forecast for 1pm (UTC-5) Thursday

Updated 12:42 (UTC) on Thu 15 Jan 2026

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Islip - Macarthur (United States of America) weather

Find a forecast

Forecast days

Today

Today

Fri 16 Jan

Fri 16 Jan

Sat 17 Jan

Sat 17 Jan

Sun 18 Jan

Sun 18 Jan

Mon 19 Jan

Mon 19 Jan

Tue 20 Jan

Tue 20 Jan

Wed 21 Jan

Wed 21 Jan

7 day forecast for Islip - Macarthur

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