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Salem weather

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Salem weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Salem weather in numbers

from 30 years of measured normals

Salem swings 60°F across the year, from 83°F highs in July to 23°F lows in February, and March is usually the wettest month in a year that brings about 53 in of precipitation.

Warmest month
July
83°F average high
Coldest month
February
23°F average low
Wettest month
March
53 in a year
Below freezing
4 months
January, February, March and December
Comfortable
4 months
May, June, August and September
Residents
30,000
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The weather map: all three models at once

NWS, American, European side by side around Salem and nearby towns.Live rain radar →
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Salem hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Salem 10-day forecast, out to 14 days

where the models agree, and where they split

Salem, New Hampshire (NH) is at its warmest in Jul (average highs near 83°F) and coldest in Feb (lows around 23°F), with roughly 53 in of precipitation across the year. Below, compare what NWS, American, European forecast for Salem right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Salem climate by month

average daytime high and overnight low across a typical year
Jan
38°
25°
Feb
41°
23°
Mar
46°
30°
Apr
57°
39°
May
69°
48°
Jun
77°
58°
Jul
83°
66°
Aug
78°
61°
Sep
73°
57°
Oct
64°
47°
Nov
50°
35°
Dec
41°
28°

Which forecast is most accurate in Salem?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
94±0.6°F98±0.6 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
87±1.3°F95±1.7 mph4268% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Salem today?
On this page we show what NWS, American, European each forecast for Salem today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Salem today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Salem and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Salem?
Over the last 30 days, the European model has been the most accurate for Salem (CheckWeather Score 91/100), ahead of the American at 73. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Salem?
July is typically the warmest month in Salem, with average highs around 83°F.
How cold does Salem get?
The coldest month in Salem is February, when overnight lows average about 23°F.
How much rain does Salem get?
Salem sees roughly 53 in of precipitation a year, with March usually the wettest month.

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