Amherst, Massachusetts Weather
Hourly forecast in Amherst
16-day forecast for Amherst
Check any date
Amherst air quality & conditions
Air quality index
Today's outlook for Amherst
Loading today's outlook…
Explore nearby
Weather articles
Weather news
Climate of Amherst: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Amherst, with average daytime highs around 27°C. January is the coolest, when nights typically fall to about -10°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 37°C, so the seasons feel very different from each other.
The area receives about 1190 mm of rain in a typical year. Most of it falls from June to October and December (around 56% of the yearly total), and October is the wettest month at roughly 125 mm.
For outdoor plans and travel, May usually offers the most comfortable weather in Amherst, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -2° | -10° | 74 mm | 91% |
| Feb | 0° | -10° | 79 mm | 90% |
| Mar | 5° | -5° | 91 mm | 84% |
| Apr | 13° | 1° | 96 mm | 78% |
| May | 19° | 8° | 94 mm | 77% |
| Jun | 24° | 13° | 119 mm | 78% |
| Jul | 27° | 16° | 108 mm | 75% |
| Aug | 27° | 15° | 105 mm | 74% |
| Sep | 23° | 11° | 105 mm | 74% |
| Oct | 15° | 5° | 125 mm | 79% |
| Nov | 8° | -1° | 88 mm | 82% |
| Dec | 2° | -6° | 108 mm | 89% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Amherst. Values describe typical conditions, not a forecast.
About Amherst weather
Amherst is one of many towns in Massachusetts's humid continental, coastal New England climate, about 60 km west of Worcester. Before the rains arrive, there's warm summers (June–August). Cooler months mean cold winters (December–February) with regular nor'easter snowstorms. This page shows live, auto-refreshing weather for Amherst: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Amherst is about 60 km west of Worcester, in Massachusetts.
Amherst sees cold winters (December–February) with regular nor'easter snowstorms.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Amherst's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Amherst, with average daytime highs of about 27°C and nights around 16°C.
The coldest nights come in January, when the average low is about -10°C and daytime highs reach around -2°C. Frost is possible on clear, calm nights.
Amherst receives about 1190 mm of rain in a typical year. October is the wettest month at roughly 125 mm, and the main rainy period is June to October and December.
May usually offers the most comfortable weather in Amherst, with mild daytime temperatures and little rain.
In November Amherst typically sees daytime highs near 8°C and lows near -1°C, with about 88 mm of rain over the month and average humidity around 82%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Amherst is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Amherst's day-to-day weather follows the broader pattern of Massachusetts described above. See the hourly weather forecast or the air quality index for more detail.