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Zion National Park weather

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Zion National Park weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Zion National Park…

Zion National Park weather in numbers

from 30 years of measured normals

Zion National Park swings 71°F across the year, from 91°F highs in July to 20°F lows in January, and March is usually the wettest month in a year that brings about 19 in of precipitation.

Warmest month
July
91°F average high
Coldest month
January
20°F average low
Wettest month
March
19 in a year
Below freezing
5 months
January, February, March, November and December
Comfortable
3 months
May, September and October
Residents
529
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The weather map: all three models at once

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

where the models agree, and where they split

Zion National Park, Utah (UT) (often shortened to Zion) is at its warmest in Jul (average highs near 91°F) and coldest in Jan (lows around 20°F), with roughly 19 in of precipitation across the year. Below, compare what NWS, American, European forecast for Zion National Park 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.

Zion National Park climate by month

average daytime high and overnight low across a typical year
Jan
36°
20°
Feb
38°
21°
Mar
42°
26°
Apr
58°
33°
May
70°
44°
Jun
81°
54°
Jul
91°
63°
Aug
83°
59°
Sep
77°
52°
Oct
68°
43°
Nov
50°
30°
Dec
48°
28°

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
88±1.2°F96±1.2 mph8491% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
82±1.8°F93±2.3 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.

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 Zion National Park today?
On this page we show what NWS, American, European each forecast for Zion National Park 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 Zion National Park today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Zion National Park 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 Zion National Park?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Zion National Park 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 Zion National Park?
July is typically the warmest month in Zion National Park, with average highs around 91°F.
How cold does Zion National Park get?
The coldest month in Zion National Park is January, when overnight lows average about 20°F.
How much rain does Zion National Park get?
Zion National Park sees roughly 19 in of precipitation a year, with March usually the wettest month.

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