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WeatherLiveNew HampshireSandown

Sandown, NH Weather (03873)

Current WeatherSandown · 10:51 AM EDT
29° | 14°
24°C
Feels like 22°
Mostly cloudy
WindW 9 mph · Gusts 16 mph
Precip11% · –
Humidity50% · Dew point 13°
UV index7 High
Air Quality38 Good
Pressure30.09 inHg
Visibility6 mi
Sunrise / Sunset6:07 AM · 7:23 PM · 13h 16m

Weather map — Sandown

Full radar →
Now
24°
12%
9 mph
11:00
26°
10%
10 mph
12:00
27°
10%
9 mph
13:00
28°
10%
11 mph
14:00
29°
10%
11 mph
15:00
29°
10%
12 mph
16:00
29°
2%
9 mph
17:00
29°
10%
9 mph
18:00
27°
11%
12 mph
19:00
25°
11%
10 mph
20:00
24°
12%
9 mph
21:00
23°
13%
8 mph
22:00
23°
12%
8 mph
23:00
22°
12%
8 mph
00:00
22°
13%
6 mph
01:00
21°
15%
6 mph
02:00
20°
17%
5 mph
03:00
19°
15%
5 mph
04:00
17°
13%
4 mph
05:00
16°
21%
4 mph
06:00
16°
13%
3 mph
07:00
17°
11%
3 mph
08:00
19°
6%
3 mph
09:00
22°
3%
3 mph

Today · Sun 8/30

High 29°
11% / –

Mostly cloudy. Winds W at 12 mph.

Tonight · Sun 8/30

Low 16°
13% / –

Mostly cloudy. Winds W at 8 mph.

Tomorrow · Mon 8/31

28° | 16°
7% / –

Sunny. Winds SE at 10 mph.

7-day trend

Sandown · temperature + precipitation

10-day forecast

Updated 10:51 AM

Details & indices

Wind
9 mph W
Gusts 16 mph
Humidity
50%
Dew point 13°
Pressure
30.09 inHg
Rising
UV index
7 — High
High today
Air Quality
Good
AQI 38 · US EPA
Allergy
Very high
Ragweed
Visibility
6 mi
Clear view
Allergy — Sandown

🌿 Conditions right now

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Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
High

Sun & moon

Sunrise6:07 AM
Sunset7:23 PM
Length of day13h 16m
Moonrise8:17 PM
Moonset8:43 AM
Next full moonSep 26 Harvest Moon
Latitude42.9287°N
Longitude-71.1870°E

Water temps nearby

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Hampton Beach (19 mi)66°
Revere Beach (37 mi)69°
Old Orchard Beach (58 mi)63°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Data sources · Sunday, August 30
Where the Sandown forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 42.9287°N, -71.1870°.
NBM + global weather models
Updated: 10:51 AM
Weather in Sandown
Over the next 10 days Sandown tops out around 31° (Saturday) and dips to 12° on the coolest night (Tuesday). Models drop roughly 1.5 in of precipitation across the stretch — watch Tuesday (95%). Hold onto the patio furniture Saturday: gusts could hit 29 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Sandown is running about 59° warmer than Sherbrooke. Longer view: classic Northeast mix — nor'easters, humid spells and a glorious fall.
Sandown, NH · Elev 226 ft · 42.93°N, 71.19°W · New Hampshire · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 10:51 AM