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WeatherLiveNew HampshireSandown

Sandown, NH Weather (03873)

Current WeatherSandown · 9:37 PM EDT
82° | 58°
68°F
Feels like 66°
Sunny
WindW 5 mph · Gusts 11 mph
Precip5% · –
Humidity62% · Dew point 54°
UV index6 High
Air Quality26 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:01 AM · 7:31 PM · 13h 30m

Weather map — Sandown

Full radar →
Now
68°
4%
5 mph
22:00
66°
5%
5 mph
23:00
65°
6%
5 mph
00:00
64°
6%
6 mph
01:00
63°
6%
6 mph
02:00
62°
7%
5 mph
03:00
62°
8%
5 mph
04:00
61°
9%
5 mph
05:00
60°
9%
4 mph
06:00
59°
10%
3 mph
07:00
60°
12%
3 mph
08:00
65°
6%
4 mph
09:00
69°
4%
3 mph
10:00
74°
3%
2 mph
11:00
77°
2%
1 mph
12:00
80°
1%
1 mph
13:00
80°
1%
7 mph
14:00
81°
1%
6 mph
15:00
82°
1%
4 mph
16:00
82°
2%
1 mph
17:00
80°
3%
2 mph
18:00
74°
5%
8 mph
19:00
69°
11%
8 mph
20:00
68°
16%
6 mph

Today · Tue 8/25

High 82°
5% / –

Sunny. Winds W at 10 mph.

Tonight · Tue 8/25

Low 59°
5% / –

Sunny. Winds W at 5 mph.

Tomorrow · Wed 8/26

82° | 59°
5% / –

Sunny. Winds SE at 8 mph.

7-day trend

Sandown · temperature + precipitation

10-day forecast

Updated 9:37 PM

Details & indices

Wind
5 mph W
Gusts 11 mph
Humidity
62%
Dew point 54°
Pressure
29.94 inHg
Rising
UV index
6 — High
High today
Air Quality
Good
AQI 26 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Sandown

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Moderate

Sun & moon

Sunrise6:01 AM
Sunset7:31 PM
Length of day13h 30m
Moonrise6:29 PM
Moonset3:03 AM
Next full moonAug 28 Sturgeon Moon
Latitude42.9287°N
Longitude-71.1870°E

Water temps nearby

View all →
Hampton Beach (19 mi)69°
Revere Beach (37 mi)71°
Old Orchard Beach (58 mi)68°
🌤️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 · Tuesday, August 25
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: 9:37 PM
Weather in Sandown
Over the next 10 days Sandown tops out around 84° (Thursday) and dips to 52° on the coolest night (Tuesday). Models drop roughly 0.85 in of precipitation across the stretch — watch Wednesday (86%). Hold onto the patio furniture Monday: gusts could hit 30 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Sandown is running about 16° 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: 9:37 PM