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CheckWeather USSignal Mountain

Signal Mountain weather

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NWSNational Blend (NBM)
81°
Clear
Feels 87° · Wind 5 mph · Humidity 70%
AmericanNOAA GFS
85°
Clear
Feels 87° · Wind 6 mph · Humidity 51%
EuropeanECMWF
85°
Light drizzle
Feels 89° · Wind 4 mph · Humidity 53%

Latest for Signal Mountain: NWS (National Blend (NBM)): 81° Clear · American (NOAA GFS): 85° Clear · European (ECMWF): 85° Light drizzle.

The weather map: all three models at once

NWS, American, European side by side around Signal Mountain 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

Signal Mountain, TN is at its warmest in Jul (average highs near 85°F) and coldest in Jan (lows around 31°F), with roughly 51 in of precipitation across the year. Below, compare what NWS, American, European forecast for Signal Mountain 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.

Signal Mountain climate by month

average daytime high and overnight low across a typical year
Jan
47°
31°
Feb
57°
37°
Mar
60°
40°
Apr
66°
47°
May
75°
56°
Jun
82°
63°
Jul
85°
68°
Aug
85°
66°
Sep
79°
62°
Oct
71°
51°
Nov
61°
43°
Dec
50°
34°

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 Signal Mountain today?
On this page we show what NWS, American, European each forecast for Signal Mountain 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 Signal Mountain today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Signal Mountain 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 Signal Mountain?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Signal Mountain 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 Signal Mountain?
July is typically the warmest month in Signal Mountain, with average highs around 85°F.
How cold does Signal Mountain get?
The coldest month in Signal Mountain is January, when overnight lows average about 31°F.
How much rain does Signal Mountain get?
Signal Mountain sees roughly 51 in of precipitation a year, with January usually the wettest month.

Nearby

More US weather