Thornton, NH Weather Forecast
Local 7-day forecast
Mostly Cloudy then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Thornton, NH in one place.
A chance of rain showers after 3pm. Mostly cloudy, with a high near 72. Southeast wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Thornton, NH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 17, 2026 12:23 AM EDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Thornton, NH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 12:23 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Thornton
Thursday looks like the warmest upcoming period in Thornton at 72 degrees F.
Friday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph NW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 12:23 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KGYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain showers likely before 2am. Mostly cloudy, with a low around 55. North wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunny, with a high near 67. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Partly cloudy, with a low around 39. Northwest wind 0 to 10 mph, with gusts as high as 25 mph.
Mostly sunny, with a high near 62.
A chance of rain showers after 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
A chance of rain showers before 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 50%.
Mostly sunny, with a high near 63.
A slight chance of rain showers after 11pm. Mostly cloudy, with a low around 43.
A slight chance of rain showers before noon. Partly sunny, with a high near 61.
A slight chance of rain showers after 4am. Partly cloudy, with a low around 42.
A slight chance of rain showers. Mostly sunny, with a high near 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Mostly Cloudy then Chance Rain Showers
|
72°F |
0 mph
|
|
Thursday Night
Sep 17
|
Rain Showers Likely
|
55°F |
0 to 5 mph
N
|
|
Friday
Sep 18
|
Sunny
|
67°F |
5 to 15 mph
NW
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
39°F |
0 to 10 mph
NW
|
|
Saturday
Sep 19
|
Mostly Sunny
|
62°F |
0 mph
|
|
Saturday Night
Sep 19
|
Mostly Cloudy then Chance Rain Showers
|
43°F |
0 mph
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
58°F |
0 to 5 mph
SE
|
|
Sunday Night
Sep 20
|
Chance Rain Showers then Mostly Cloudy
|
43°F |
0 mph
|
|
Monday
Sep 21
|
Mostly Sunny
|
63°F |
0 mph
|
|
Monday Night
Sep 21
|
Slight Chance Rain Showers
|
43°F |
0 mph
|
|
Tuesday
Sep 22
|
Slight Chance Rain Showers then Partly Sunny
|
61°F |
0 to 5 mph
E
|
|
Tuesday Night
Sep 22
|
Partly Cloudy then Slight Chance Rain Showers
|
42°F |
0 mph
|
|
Wednesday
Sep 23
|
Slight Chance Rain Showers
|
61°F |
0 to 5 mph
E
|
Nearby Forecasts
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