Alstead, NH Weather Forecast

Local 7-day forecast

89°
F

Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Alstead, NH in one place.

Tuesday, July 14, 2026
Wind: 5 to 10 mph SW
Tuesday

Sunny, with a high near 89.

Local 7-day forecast

Local Weather Overview

This forecast page for Alstead, 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: Jul 12, 2026 6:46 AM EDT.

The active forecast window currently covers Jul 14 to Jul 18, 2026 for Alstead, NH.

Page Snapshot

Page focus
city weather
Forecast window
Jul 14 to Jul 18, 2026
Latest sync
Jul 12, 2026 6:46 AM EDT
Forecast office
GYX
Source
NOAA / NWS
Next High
89°F
Tuesday
Next Low
71°F
Tuesday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
5 to 10 mph
Tuesday

Daily Outlook

Today
Jul 14
Sunny
89 °F
/ 71°F
Wind 5 to 10 mph
Wed
Jul 15
Mostly Sunny
86 °F
/ 61°F
Wind 10 mph
Thu
Jul 16
Sunny
82 °F
/ 57°F
Wind 5 to 10 mph
Fri
Jul 17
Sunny
79 °F
/ 55°F
Wind 5 to 10 mph
Sat
Jul 18
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
79 °F
Wind 0 to 5 mph

This Week in Alstead

Tuesday looks like the warmest upcoming period in Alstead at 89 degrees F.

Friday Night is the coolest period ahead with temperatures near 55 degrees F.

The strongest winds are forecast for Tuesday at about 5 to 10 mph SW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Jul 12, 2026 6:46 AM EDT
Coverage
5 days
Time zone
America/New_York
Forecast office
GYX
Radar station
KENX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tuesday Night
Jul 14
71°F
Mostly Clear
10 mph W

Mostly clear, with a low around 71.

Wednesday
Jul 15
86°F
Mostly Sunny
10 mph W

Mostly sunny, with a high near 86.

Wednesday Night
Jul 15
61°F
Partly Cloudy
5 to 10 mph W

Partly cloudy, with a low around 61.

Thursday
Jul 16
82°F
Sunny
5 to 10 mph NW

Sunny, with a high near 82.

Thursday Night
Jul 16
57°F
Mostly Clear
0 to 5 mph NW

Mostly clear, with a low around 57.

Friday
Jul 17
79°F
Sunny
5 to 10 mph W

Sunny, with a high near 79.

Friday Night
Jul 17
55°F
Mostly Clear then Slight Chance Rain Showers
0 to 5 mph NW

A slight chance of rain showers after 4am. Mostly clear, with a low around 55.

Saturday
Jul 18
79°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
0 to 5 mph NW

A slight chance of rain showers before 8am, then a slight chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Jul 14
Sunny
89°F
5 to 10 mph
SW
Tuesday Night
Jul 14
Mostly Clear
71°F
10 mph
W
Wednesday
Jul 15
Mostly Sunny
86°F
10 mph
W
Wednesday Night
Jul 15
Partly Cloudy
61°F
5 to 10 mph
W
Thursday
Jul 16
Sunny
82°F
5 to 10 mph
NW
Thursday Night
Jul 16
Mostly Clear
57°F
0 to 5 mph
NW
Friday
Jul 17
Sunny
79°F
5 to 10 mph
W
Friday Night
Jul 17
Mostly Clear then Slight Chance Rain Showers
55°F
0 to 5 mph
NW
Saturday
Jul 18
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
79°F
0 to 5 mph
NW
Shedd-Porter Memorial Library  Alstead NH
Shedd-Porter Memorial Library Alstead NH image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.