Alstead, NH Weather Forecast

Local 7-day forecast

55°
F

Mostly Sunny

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

Thursday, October 15, 2026
Wind: 0 to 10 mph NW
Thursday

Mostly sunny, with a high near 55. Northwest wind 0 to 10 mph.

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: Oct 14, 2026 2:16 AM EDT.

The active forecast window currently covers Oct 15 to Oct 20, 2026 for Alstead, NH.

Page Snapshot

Page focus
city weather
Forecast window
Oct 15 to Oct 20, 2026
Latest sync
Oct 14, 2026 2:16 AM EDT
Forecast office
GYX
Source
NOAA / NWS
Next High
55°F
Thursday
Next Low
39°F
Thursday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
10 to 20 mph
Friday Night

Daily Outlook

Today
Oct 15
Mostly Sunny
55 °F
/ 39°F
Wind 0 to 10 mph
Fri
Oct 16
Rain Showers
55 °F
/ 32°F
Wind 5 to 10 mph
Sat
Oct 17
Partly Sunny
39 °F
/ 25°F
Wind 15 to 20 mph
Sun
Oct 18
Sunny
47 °F
/ 30°F
Wind 5 to 10 mph
Mon
Oct 19
Mostly Sunny
56 °F
/ 38°F
Wind 5 to 10 mph
Tue
Oct 20
Mostly Sunny
59 °F
Wind 0 to 5 mph

This Week in Alstead

Tuesday looks like the warmest upcoming period in Alstead at 59 degrees F.

Saturday Night is the coolest period ahead with temperatures near 25 degrees F.

The strongest winds are forecast for Friday Night at about 10 to 20 mph W.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Oct 14, 2026 2:16 AM EDT
Coverage
6 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

Thursday Night
Oct 15
39°F
Mostly Cloudy then Rain Showers
0 to 5 mph E

Rain showers after 2am. Mostly cloudy, with a low around 39. East wind 0 to 5 mph. Chance of precipitation is 80%.

Friday
Oct 16
55°F
Rain Showers
5 to 10 mph S

Rain showers. Cloudy, with a high near 55. Chance of precipitation is 100%.

Friday Night
Oct 16
32°F
Rain Showers
10 to 20 mph W

Rain showers before 3am. Mostly cloudy, with a low around 32. Chance of precipitation is 80%.

Saturday
Oct 17
39°F
Partly Sunny
15 to 20 mph NW

Partly sunny, with a high near 39.

Saturday Night
Oct 17
25°F
Partly Cloudy
5 to 15 mph W

Partly cloudy, with a low around 25.

Sunday
Oct 18
47°F
Sunny
5 to 10 mph W

Sunny, with a high near 47.

Sunday Night
Oct 18
30°F
Partly Cloudy
0 to 5 mph SW

Partly cloudy, with a low around 30.

Monday
Oct 19
56°F
Mostly Sunny
5 to 10 mph S

Mostly sunny, with a high near 56.

Monday Night
Oct 19
38°F
Mostly Cloudy
5 mph SW

Mostly cloudy, with a low around 38.

Tuesday
Oct 20
59°F
Mostly Sunny
0 to 5 mph W

Mostly sunny, with a high near 59.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Oct 15
Mostly Sunny
55°F
0 to 10 mph
NW
Thursday Night
Oct 15
Mostly Cloudy then Rain Showers
39°F
0 to 5 mph
E
Friday
Oct 16
Rain Showers
55°F
5 to 10 mph
S
Friday Night
Oct 16
Rain Showers
32°F
10 to 20 mph
W
Saturday
Oct 17
Partly Sunny
39°F
15 to 20 mph
NW
Saturday Night
Oct 17
Partly Cloudy
25°F
5 to 15 mph
W
Sunday
Oct 18
Sunny
47°F
5 to 10 mph
W
Sunday Night
Oct 18
Partly Cloudy
30°F
0 to 5 mph
SW
Monday
Oct 19
Mostly Sunny
56°F
5 to 10 mph
S
Monday Night
Oct 19
Mostly Cloudy
38°F
5 mph
SW
Tuesday
Oct 20
Mostly Sunny
59°F
0 to 5 mph
W
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.