Amherst, NH Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Amherst, NH.

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Current Conditions — Amherst, NH

CONCORD (KCON)

Clear

60.8 F
Humidity:25%
Wind Speed:W 10.4 mph
Barometer:30.06 in
Dewpoint:24.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
May 11 2026, 12:05 PM EDT
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5-Day Forecast — Amherst, NH

Monday

High 64 °F
Mostly Cloudy
Monday
Night
Low 39 °F
Partly Cloudy
Tuesday

High 62 °F
Mostly Cloudy
Tuesday
Night
Low 39 °F
Mostly Cloudy
Wednesday

High 62 °F
Chance of Rain Showers
Wednesday
Night
Low 46 °F
Rain
Thursday

High 62 °F
T-storms
Thursday
Night
Low 46 °F
Rain
Friday

High 66 °F
Rain Showers Likely

Detailed Forecast — Amherst, NH

Monday
Mostly Cloudy. High near 64°F. Wind 2 to 7 mph, with gusts as high as 14 mph.
Monday Night
Partly Cloudy. Low around 39°F. Wind 1 to 3 mph, with gusts as high as 7 mph.
Tuesday
Mostly Cloudy. High near 62°F. Wind 1 to 7 mph, with gusts as high as 14 mph.
Tuesday Night
Mostly Cloudy. Low around 39°F.
Wednesday
Chance of Rain Showers. High near 62°F. Wind 0 to 8 mph, with gusts as high as 16 mph.
Wednesday Night
Rain. Low around 46°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Thursday
Thunderstorms. High near 62°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Thursday Night
Rain. Low around 46°F. Wind around 1 mph, with gusts as high as 2 mph.
Friday
Rain Showers Likely. High near 66°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Friday Night
Chance of Rain Showers. Low around 48°F. Wind around 2 mph, with gusts as high as 5 mph.
Saturday
Chance of Showers. High near 73°F. Wind 2 to 8 mph, with gusts as high as 16 mph.
Saturday Night
Partly Cloudy. Low around 50°F. Wind around 2 mph, with gusts as high as 5 mph.
Sunday
Partly Sunny. High near 75°F. Wind 3 to 8 mph, with gusts as high as 16 mph.
NH Radar
Current Radar • NH
Day 1 Outlook • May 11, 2026

Observation History — Amherst, NH

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
12:05 PM EDT W 10.4 10.00 Clear -- 60.8 24.8 25% NA NA 30.06 1017.9
11:45 AM EDT 9.2 10.00 Clear -- 60.8 % NA NA 30.07 1018.3
11:40 AM EDT 10.00 Clear -- 59.0 % NA NA 30.07 1018.3
11:30 AM EDT 10.00 Clear -- 60.8 % NA NA 30.08 1018.6
11:25 AM EDT 9.2 10.00 Clear -- 60.8 28.4 29% NA NA 30.08 1018.6
11:10 AM EDT NW 11.5 10.00 Clear -- 60.8 26.6 27% NA NA 30.08 1018.6
11:00 AM EDT 10.4 10.00 Clear -- 60.8 28.4 29% NA NA 30.08 1018.6
10:50 AM EDT 3.4 10.00 Clear -- 59.0 28.4 31% NA NA 30.08 1018.6
10:35 AM EDT 5.7 10.00 Clear -- 57.2 28.4 33% NA NA 30.09 1019.0
10:25 AM EDT 9.2 10.00 Clear -- 57.2 28.4 33% NA NA 30.09 1019.0
10:10 AM EDT 4.6 10.00 Clear -- 55.4 28.4 35% NA NA 30.09 1019.0
10:00 AM EDT NW 9.2 10.00 Clear -- 57.2 30.2 36% NA NA 30.09 1019.0
09:50 AM EDT 10.4 10.00 Clear -- 55.4 30.2 38% NA NA 30.09 1019.0
09:45 AM EDT 11.5 10.00 Clear -- 55.4 30.2 38% NA NA 30.09 1019.0
09:35 AM EDT NW 8.1 10.00 Clear -- 55.4 30.2 38% NA NA 30.09 1019.0
09:30 AM EDT NW 10.4 10.00 Clear -- 53.6 30.2 41% NA NA 30.09 1019.0
09:25 AM EDT 10.4 10.00 Clear -- 53.6 30.2 41% NA NA 30.09 1019.0
09:20 AM EDT 8.1 10.00 Clear -- 53.6 30.2 41% NA NA 30.09 1019.0
09:15 AM EDT NW 9.2 10.00 Clear -- 53.6 30.2 41% NA NA 30.09 1019.0
09:05 AM EDT 9.2 10.00 Clear -- 53.6 30.2 41% NA NA 30.09 1019.0
09:00 AM EDT 10.00 Clear -- 53.6 30.2 41% NA NA 30.10 1019.3
08:50 AM EDT 8.1 10.00 Clear -- 51.8 30.2 43% NA NA 30.10 1019.3
08:45 AM EDT NW 6.9 10.00 Clear -- 51.8 30.2 43% NA NA 30.10 1019.3
08:35 AM EDT 8.1 10.00 Clear -- 51.8 30.2 43% NA NA 30.10 1019.3

Regional Weather Observation

CONCORD (KCON)

Clear
60.8 F

MANCHESTER (KMHT)

Clear
60.8 F

NASHUA/BOIRE FLD (KASH)

Clear
60.8 F

KEENE/DILLANT (KEEN)

Cloudy
57.2 F

FITCHBURG (KFIT)

Clear
60.8 F

LACONIA MUNI (KLCI)

Mostly Clear
55.4 F
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