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CheckWeather USMendham

Mendham weather

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The weather map: all three models at once

NWS, American, European side by side around Mendham 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

Mendham, NJ is at its warmest in Jul (average highs near 86°F) and coldest in Feb (lows around 28°F), with roughly 51 in of precipitation across the year. Below, compare what NWS, American, European forecast for Mendham 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.

Mendham climate by month

average daytime high and overnight low across a typical year
Jan
43°
30°
Feb
46°
28°
Mar
51°
34°
Apr
63°
43°
May
72°
51°
Jun
82°
61°
Jul
86°
67°
Aug
81°
64°
Sep
75°
58°
Oct
67°
49°
Nov
54°
37°
Dec
44°
30°

Which forecast is most accurate in the US?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
89
/100rank #1
87±1.3°F96±1.2 mph8592% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
81±1.9°F93±2.2 mph4972% 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 Mendham today?
On this page we show what NWS, American, European each forecast for Mendham 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 Mendham today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Mendham 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 Mendham?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Mendham forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Mendham?
July is typically the warmest month in Mendham, with average highs around 86°F.
How cold does Mendham get?
The coldest month in Mendham is February, when overnight lows average about 28°F.
How much rain does Mendham get?
Mendham sees roughly 51 in of precipitation a year, with December usually the wettest month.

Nearby

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