Local weather forecastHoltsville, NY

Local forecast
Hourly
Ten-day
Maps
Averages

Current conditions (as of 11:56 PM)

Today's forecast

°F | °C

Winter storm warning

Snow

1°C

Feels like: -2°C

Barometer:	1008.5 mb
Dewpoint:	-3°
Humidity:	75%
Visibility:	4 km
Precip in last hr:	0 cm
Precip last 24 hrs:	NA

Wind:	9 km/hr SW
Sunrise:	6:52 AM
Sunset:	5:20 PM
UV Index:	0 Low

Observed at Islip, Long Island Mac Arthur Airport.
All times shown are local to Holtsville.

Today

Hi:	0°
Lo:	-2°

Blowing Snow

9 AM

0°

Ice / Snow

Noon

0°

Blowing Snow

6 PM

0°

Blowing Snow

Hourly forecast (next 48 hours)

Five-day forecast (Details)

Tomorrow

Feb 11

Mostly Cloudy

Friday

Feb 12

Partly Cloudy

Saturday

Feb 13

Partly Cloudy

Sunday

Feb 14

Partly Cloudy

Monday

Feb 15

Snow

Hi:	1°
Lo:	-7°

Hi:	-1°
Lo:	-5°

Hi:	0°
Lo:	-6°

Hi:	0°
Lo:	-7°

Hi:	1°
Lo:	-4°

Detailed ten-day forecast

View all Holtsville, NY maps

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Monthly averages & records									°F \| °C
50°	Averages for January Average high: 4° Average low: -5° Record high: 21° (2002) Record low: -24° (1961) Average precip: 9.96 cm Click column for details	Averages for February Average high: 5° Average low: -4° Record high: 20° (1976) Record low: -39° (1950) Average precip: 8.33 cm Click column for details	Averages for March Average high: 9° Average low: 0° Record high: 28° (1945) Record low: -22° (1967) Average precip: 11.74 cm Click column for details	Averages for April Average high: 15° Average low: 5° Record high: 34° (2002) Record low: -11° (1982) Average precip: 11.17 cm Click column for details	Averages for May Average high: 20° Average low: 10° Record high: 37° (1996) Record low: -2° (1971) Average precip: 9.96 cm Click column for details	Averages for June Average high: 25° Average low: 15° Record high: 38° (1925) Record low: 1° (1967) Average precip: 10.17 cm Click column for details	Averages for July Average high: 28° Average low: 19° Record high: 39° (1999) Record low: 8° (1968) Average precip: 8.64 cm Click column for details	Averages for August Average high: 27° Average low: 18° Record high: 39° (1975) Record low: 4° (1971) Average precip: 11.05 cm Click column for details	Averages for September Average high: 23° Average low: 14° Record high: 36° (1983) Record low: 1° (1951) Average precip: 8.81 cm Click column for details	Averages for October Average high: 18° Average low: 7° Record high: 33° (1941) Record low: -8° (1969) Average precip: 10.02 cm Click column for details	Averages for November Average high: 12° Average low: 3° Record high: 26° (1990) Record low: -12° (1989) Average precip: 10.62 cm Click column for details	Averages for December Average high: 7° Average low: -2° Record high: 25° (1998) Record low: -21° (1950) Average precip: 10.23 cm Click column for details
40°
30°
20°
10°
0°
-10°
-20°
-30°
-40°


	9.96	8.33	11.74	11.17	9.96	10.17	8.64	11.05	8.81	10.02	10.62	10.23
Precipitation (cm)

Daily averages for February

Day	Forecast	Description	Precip chance
Detailed weather forecast			°F \| °C
Winter storm warning
Today Feb 10 Details	Blowing Snow Hi: 0° Lo: -2°	Day: Blowing Snow. High 0C. Winds NE at 23 mph. Air Quality: Good, UV Index: 0	90%
Today Feb 10 Details	Blowing Snow Hi: 0° Lo: -2°	Night: Blowing Snow. Low -2C. Winds N at 26 mph.	30%
Tomorrow Feb 11 Details	Mostly Cloudy Hi: 1° Lo: -7°	Day: Mostly Cloudy. High 1C. Winds NW at 21 mph. Air Quality: NA, UV Index: 2	0%
Tomorrow Feb 11 Details	Mostly Cloudy Hi: 1° Lo: -7°	Night: Mostly Cloudy. Low -7C. Winds NW at 13 mph.	0%
Friday Feb 12	Partly Cloudy Hi: -1° Lo: -5°	Partly Cloudy. High -1C and low -5C. Winds NW at 16 mph. Air Quality: NA, UV Index: 2	0%
Saturday Feb 13	Partly Cloudy Hi: 0° Lo: -6°	Partly Cloudy. High 0C and low -6C. Winds NW at 11 mph. Air Quality: NA, UV Index: NA	0%
Sunday Feb 14	Partly Cloudy Hi: 0° Lo: -7°	Partly Cloudy. High 0C and low -7C. Winds NW at 13 mph. Air Quality: NA, UV Index: NA	0%