See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
13°
Overcast
Feels Like: 13°
Min: 12°
Max: 21°
The next few hours will be clear, with tomorrow reaching 25°C and dropping to 20°C. The coming days will be mostly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:00
Sunrise
19:19
Sunset
Moon
Waxing Crescent
10:50
Moonrise
20:19
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
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UV Index
Humidity
Weather in Amherst tomorrow, September 15, 2026
Cloud cover dominates in Amherst on September 15, 2026, keeping sunshine limited. Expect a grey, overcast feel rather than long bright spells. The first half of the day looks overcast, as cloud amounts reach about 100% around 00:00. Brighter weather, if it comes, waits until later.
The day peaks near 25°C and cools toward 10°C. The air stays humid, with relative humidity between 37% and 82% and the peak around 04:00. A lighter breeze peaks around 15:00 near 5.7 km/h.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Expect visibility around 16.1 km. Daylight runs from 07:01 to 19:17, lasting 12 hours 16 minutes of sunlight today.
Overall, Amherst on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 25°C.
Frequently asked questions about weather in Amherst
How warm does it get in Amherst?
The warmest month in Amherst is July, with average high temperatures of 27°C. The average temperature during this period is around 23°C.
How cold does it get in Amherst?
The coldest month in Amherst is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Amherst?
The wettest month in Amherst is April, with an average of 108mm of precipitation.
What is the driest time of year in Amherst?
The driest month in Amherst is September, with an average of 65mm of precipitation.
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