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Mount Shasta weather

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NWSNational Blend (NBM)
40°
Mainly clear
Feels 38° · Wind 0 mph · Humidity 98%
AmericanNOAA GFS
38°
Clear
Feels 33° · Wind 3 mph · Humidity 76%
EuropeanECMWF
37°
Partly cloudy
Feels 33° · Wind 2 mph · Humidity 95%

Latest for Mount Shasta: NWS (National Blend (NBM)): 40° Mainly clear · American (NOAA GFS): 38° Clear · European (ECMWF): 37° Partly cloudy.

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Mount Shasta weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Mount Shasta…

Mount Shasta weather in numbers

from 30 years of measured normals

Mount Shasta swings 62°F across the year, from 88°F highs in July to 26°F lows in December, and December is usually the wettest month in a year that brings about 42 in of precipitation.

Warmest month
July
88°F average high
Coldest month
December
26°F average low
Wettest month
December
42 in a year
Below freezing
3 months
January, February and December
Comfortable
3 months
May, September and October
Residents
3,223
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The weather map: all three models at once

NWS, American, European side by side around Mount Shasta and nearby towns.Live rain radar →
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Mount Shasta 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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Mount Shasta 10-day forecast, out to 14 days

where the models agree, and where they split

Mount Shasta, California (CA) is at its warmest in Jul (average highs near 88°F) and coldest in Dec (lows around 26°F), with roughly 42 in of precipitation across the year. Below, compare what NWS, American, European forecast for Mount Shasta 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.

Mount Shasta climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
41°
28°
Feb
43°
27°
Mar
48°
32°
Apr
56°
33°
May
68°
41°
Jun
79°
49°
Jul
88°
56°
Aug
84°
55°
Sep
76°
50°
Oct
65°
41°
Nov
49°
32°
Dec
42°
26°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Mount Shasta has changed since 1995

Mount Shasta sits in the same roughly 50 km square of NASA's reanalysis as Yreka. That square ran 1.5°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Yreka page.

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
91±0.9°F97±1.0 mph9195% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
83
/100rank #2
83±1.7°F94±2.0 mph7687% 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 Mount Shasta today?
On this page we show what NWS, American, European each forecast for Mount Shasta 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 Mount Shasta today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Mount Shasta 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 Mount Shasta?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Mount Shasta 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 Mount Shasta?
July is typically the warmest month in Mount Shasta, with average highs around 88°F.
How cold does Mount Shasta get?
The coldest month in Mount Shasta is December, when overnight lows average about 26°F.
How much rain does Mount Shasta get?
Mount Shasta sees roughly 42 in of precipitation a year, with December usually the wettest month.

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