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CheckWeather USLewiston

Lewiston weather

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The weather map: all three models at once

NWS, American, European side by side around Lewiston and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Lewiston, ME is at its warmest in Jul (average highs near 81°F) and coldest in Feb (lows around 16°F), with roughly 53 in of precipitation across the year. Below, compare what NWS, American, European forecast for Lewiston 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.

Lewiston climate by month

average daytime high and overnight low across a typical year
Jan
34°
21°
Feb
36°
16°
Mar
42°
27°
Apr
54°
36°
May
66°
47°
Jun
73°
56°
Jul
81°
65°
Aug
75°
60°
Sep
72°
56°
Oct
61°
45°
Nov
46°
32°
Dec
37°
23°

Which forecast is most accurate in Lewiston?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
87
/100rank #1
91±0.9°F97±0.9 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
74
/100rank #2
79±2.1°F96±1.4 mph5374% 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.

Common questions

What's the weather in Lewiston today?
On this page we show what NWS, American, European each forecast for Lewiston 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 Lewiston today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Lewiston 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 Lewiston?
Over the last 30 days, the European model has been the most accurate for Lewiston (CheckWeather Score 87/100), ahead of the American at 74. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Lewiston?
July is typically the warmest month in Lewiston, with average highs around 81°F.
How cold does Lewiston get?
The coldest month in Lewiston is February, when overnight lows average about 16°F.
How much rain does Lewiston get?
Lewiston sees roughly 53 in of precipitation a year, with June usually the wettest month.

Nearby

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