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Now · 8:13 AM

Amherst Weather & Hourly Forecast

United States · New Hampshire · 03031

Partly cloudy
65°F
Partly cloudy
Feels like: 65°F
💧 Humidity 91% 🌡 Pressure 29.83 inHg 💨 Wind 5 mph 👁 Visibility 6.2 mi Clouds 35% ☀️ UV index 0.7 · Low 🌅 Sunrise 6:14 AM 🌇 Sunset 7:17 PM

Hourly Forecast for Amherst

Today
Partly cloudy · 9:00 AM Partly cloudy
65° 💧 None 💨 5 mph H 91%29.83 inHg
Sunny · 12:00 PM Sunny
77° 💧 None 💨 8 mph H 56%29.80 inHg
Partly cloudy · 3:00 PM Partly cloudy
84° 💧 None 💨 10 mph H 32%29.74 inHg
Mostly cloudy · 6:00 PM Mostly cloudy
78° 💧 None 💨 5 mph H 58%29.77 inHg
Mostly clear night · 9:00 PM Mostly clear night
71° 💧 None 💨 5 mph H 75%29.83 inHg
Tomorrow
Clear night · 12:00 AM Clear night
67° 💧 None 💨 6 mph H 81%29.80 inHg
Clear night · 3:00 AM Clear night
62° 💧 None 💨 7 mph H 79%29.77 inHg
Clear night · 6:00 AM Clear night
57° 💧 None 💨 4 mph H 91%29.80 inHg
Partly cloudy · 9:00 AM Partly cloudy
68° 💧 0.01 in 💨 7 mph H 69%29.83 inHg
Light rain · 12:00 PM Light rain
70° 💧 0.07 in 💨 7 mph H 72%29.83 inHg
Light rain · 3:00 PM Light rain
70° 💧 0.08 in 💨 3 mph H 92%29.83 inHg
Light rain · 6:00 PM Light rain
65° 💧 0.01 in 💨 4 mph H 95%29.88 inHg
Overcast night · 9:00 PM Overcast night
57° 💧 None 💨 5 mph H 95%29.94 inHg
Sunday
Overcast night · 12:00 AM Overcast night
57° 💧 None 💨 4 mph H 93%29.97 inHg
Mostly clear night · 3:00 AM Mostly clear night
52° 💧 None 💨 4 mph H 96%29.97 inHg
Light rain · 6:00 AM Light rain
55° 💧 0.00 in 💨 2 mph H 93%30.00 inHg

In Amherst and, more broadly, across the state of New Hampshire: This morning features a mix of sun and clouds, with temperatures starting out mild around 63 degrees. Winds from the northwest will be moderate, blowing at up to 10 mph, with gusts reaching 25 mph. As the day progresses into the afternoon, temperatures will warm up to around 81 degrees, maintaining the partly sunny sky. No precipitation is expected throughout the day, so outdoor plans can proceed without concern for rain. The wind will continue to be gentle to moderate, providing a refreshing breeze, especially in the afternoon when gusts may be a bit stronger. Overall, it looks like a pleasant day with comfortable temperatures and plenty of sunshine interspersed with clouds.

15-Day Weather Outlook for Amherst

TomorrowTomorrow Light rain Light rain 71°/57° 💧 0.17 in 💨 7 mph
Sunday, Sep 6Sun Sep 6 Light rain Light rain 72°/52° 💧 0.00 in 💨 8 mph
Monday, Sep 7Mon Sep 7 Sunny Sunny 77°/53° 💧 None 💨 8 mph
Tuesday, Sep 8Tue Sep 8 Partly cloudy Partly cloudy 77°/56° 💧 None 💨 10 mph
Wednesday, Sep 9Wed Sep 9 Light rain Light rain 65°/56° 💧 0.07 in 💨 12 mph
Thursday, Sep 10Thu Sep 10 Light rain Light rain 74°/54° 💧 0.08 in 💨 16 mph
Friday, Sep 11Fri Sep 11 Partly cloudy Partly cloudy 64°/51° 💧 None 💨 16 mph
Saturday, Sep 12Sat Sep 12 Sunny Sunny 67°/47° 💧 None 💨 11 mph
Sunday, Sep 13Sun Sep 13 Sunny Sunny 70°/44° 💧 None 💨 5 mph
Monday, Sep 14Mon Sep 14 Mostly cloudy Mostly cloudy 76°/47° 💧 None 💨 4 mph
Tuesday, Sep 15Tue Sep 15 Mostly sunny Mostly sunny 84°/53° 💧 None 💨 3 mph
Wednesday, Sep 16Wed Sep 16 Mostly cloudy Mostly cloudy 78°/58° 💧 None 💨 7 mph
Thursday, Sep 17Thu Sep 17 Light rain Light rain 82°/58° 💧 0.05 in 💨 7 mph
Friday, Sep 18Fri Sep 18 Heavy rain Heavy rain 59°/50° 💧 1.22 in 💨 8 mph
Saturday, Sep 19Sat Sep 19 Partly cloudy Partly cloudy 68°/50° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Amherst

Vertical axis: °F · Color based on temperature
Partly cloudy at 9:00 AM
65° Today 9:00 AM
Partly cloudy at 10:00 AM
67° 10:00 AM
Mostly sunny at 11:00 AM
72° 11:00 AM
Sunny at 12:00 PM
77° 12:00 PM
Sunny at 1:00 PM
80° Today 1:00 PM
Sunny at 2:00 PM
80° 2:00 PM
Partly cloudy at 3:00 PM
84° 3:00 PM
Partly cloudy at 4:00 PM
82° 4:00 PM
Partly cloudy at 5:00 PM
80° Today 5:00 PM
Mostly cloudy at 6:00 PM
78° 6:00 PM
Mostly cloudy at 7:00 PM
74° 7:00 PM
Mostly cloudy night at 8:00 PM
72° 8:00 PM
Mostly clear night at 9:00 PM
71° Today 9:00 PM
Clear night at 10:00 PM
70° 10:00 PM
Clear night at 11:00 PM
69° 11:00 PM
Clear night at 12:00 AM
67° 12:00 AM
Clear night at 1:00 AM
66° Tomorrow 1:00 AM
Clear night at 2:00 AM
63° 2:00 AM
Clear night at 3:00 AM
62° 3:00 AM
Clear night at 4:00 AM
61° 4:00 AM
Clear night at 5:00 AM
58° Tomorrow 5:00 AM
Clear night at 6:00 AM
57° 6:00 AM
Sunny at 7:00 AM
59° 7:00 AM
Sunny at 8:00 AM
63° 8:00 AM
Partly cloudy at 9:00 AM
68° Tomorrow 9:00 AM
Partly cloudy at 10:00 AM
71° 10:00 AM
Light rain at 11:00 AM
71° 11:00 AM
Light rain at 12:00 PM
70° 12:00 PM
Light rain at 1:00 PM
69° Tomorrow 1:00 PM
Light rain at 2:00 PM
69° 2:00 PM
Light rain at 3:00 PM
70° 3:00 PM
Light rain at 4:00 PM
69° 4:00 PM
Light rain at 5:00 PM
67° Tomorrow 5:00 PM
Light rain at 6:00 PM
65° 6:00 PM
Overcast at 7:00 PM
63° 7:00 PM
Overcast night at 8:00 PM
62° 8:00 PM
Overcast night at 9:00 PM
57° Tomorrow 9:00 PM
Overcast night at 10:00 PM
57° 10:00 PM
Overcast night at 11:00 PM
57° 11:00 PM
Overcast night at 12:00 AM
57° 12:00 AM
Overcast night at 1:00 AM
55° Sunday 1:00 AM
Mostly cloudy night at 2:00 AM
53° 2:00 AM
Mostly clear night at 3:00 AM
52° 3:00 AM
Mostly clear night at 4:00 AM
53° 4:00 AM
Partly cloudy night at 5:00 AM
54° Sunday 5:00 AM
Light rain at 6:00 AM
55° 6:00 AM
Mostly cloudy at 7:00 AM
56° 7:00 AM
Mostly cloudy at 8:00 AM
58° 8:00 AM
Mostly sunny at 9:00 AM
61° Sunday 9:00 AM
Mostly sunny at 10:00 AM
65° 10:00 AM
Mostly sunny at 11:00 AM
68° 11:00 AM
Sunny at 12:00 PM
71° 12:00 PM
Mostly sunny at 1:00 PM
72° Sunday 1:00 PM
Partly cloudy at 2:00 PM
70° 2:00 PM
Overcast at 3:00 PM
68° 3:00 PM
Overcast at 4:00 PM
69° 4:00 PM
Overcast at 5:00 PM
69° Sunday 5:00 PM
Mostly cloudy at 6:00 PM
69° 6:00 PM
Mostly cloudy at 7:00 PM
65° 7:00 PM
Overcast night at 8:00 PM
63° 8:00 PM
Mostly cloudy night at 9:00 PM
61° Sunday 9:00 PM
Mostly cloudy night at 10:00 PM
58° 10:00 PM
Partly cloudy night at 11:00 PM
56° 11:00 PM
Partly cloudy night at 12:00 AM
55° 12:00 AM
Partly cloudy night at 1:00 AM
53° Monday 1:00 AM
Mostly clear night at 2:00 AM
53° 2:00 AM
Clear night at 3:00 AM
53° 3:00 AM
Clear night at 4:00 AM
53° 4:00 AM
Clear night at 5:00 AM
53° Monday 5:00 AM
Clear night at 6:00 AM
53° 6:00 AM
Sunny at 7:00 AM
53° 7:00 AM
Sunny at 8:00 AM
59° 8:00 AM
Sunny at 9:00 AM
66° Monday 9:00 AM
Sunny at 10:00 AM
70° 10:00 AM
Sunny at 11:00 AM
73° 11:00 AM
Sunny at 12:00 PM
75° 12:00 PM
Sunny at 1:00 PM
76° Monday 1:00 PM
Sunny at 2:00 PM
77° 2:00 PM
Sunny at 3:00 PM
78° 3:00 PM
Sunny at 4:00 PM
78° 4:00 PM
Sunny at 5:00 PM
77° Monday 5:00 PM
Sunny at 6:00 PM
72° 6:00 PM
Sunny at 7:00 PM
66° 7:00 PM
Clear night at 8:00 PM
63° 8:00 PM
Partly cloudy night at 9:00 PM
62° Monday 9:00 PM
Partly cloudy night at 10:00 PM
61° 10:00 PM
Mostly cloudy night at 11:00 PM
61° 11:00 PM
Mostly cloudy night at 12:00 AM
61° 12:00 AM
Mostly cloudy night at 1:00 AM
61° Tuesday 1:00 AM
Mostly cloudy night at 2:00 AM
61° 2:00 AM
Overcast night at 3:00 AM
62° 3:00 AM
Overcast night at 4:00 AM
62° 4:00 AM
Overcast night at 5:00 AM
62° Tuesday 5:00 AM
Overcast night at 6:00 AM
63° 6:00 AM
Overcast at 7:00 AM
62° 7:00 AM
Overcast at 8:00 AM
63° 8:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Amherst

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 9:00 AM
PM2.5 Fine particles Good 8,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 8,9µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 48,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 4,6µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Amherst

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 5,7Moderate 😊Good
Tomorrow UV 3,2Moderate 😊Good
Sunday UV 5,7Moderate 🙂Fair
Monday UV 6,0High 🙂Fair
Tuesday UV 6,0High 😊Good
Wednesday UV 5,0Moderate Unavailable
Thursday UV 6,0High Unavailable
Hourly UV index today
9:00 AMUV 1,7 10:00 AMUV 3,5 11:00 AMUV 4,9 12:00 PMUV 5,7 1:00 PMUV 5,2 2:00 PMUV 4,8 3:00 PMUV 3,3 4:00 PMUV 1,9 5:00 PMUV 0,8 6:00 PMUV 0,2 7:00 PMUV 0,0
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Amherst

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 9:00 AM 10:00 AM 11:00 AM 12:00 PM Today 1:00 PM 2:00 PM 3:00 PM 4:00 PM Today 5:00 PM 6:00 PM 7:00 PM 8:00 PM Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Sunday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Sunday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Sunday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Sunday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Sunday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Sunday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Monday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Monday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Monday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Monday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Monday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Monday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tuesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tuesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM
Sustained wind Max gusts
Internal PR simulation: 3.50 Population: 726

Forecast data for Amherst were last refreshed today at 8:13 AM. The current forecast period extends through 06/09/2026 at 6:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.