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CheckWeather USFort Collins
Forecast confidence: Medium · models disagree by 7°F

Fort Collins weather

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Drizzle,rain likely tomorrow

NWS, the American and the European model put Fort Collins's high today between 79° and 85°, a 7° split. Tomorrow looks drizzle around 75°, with a 92% chance of rain.

82°58°
75°55°
70°51°
72°53°
76°55°
78°56°
Todaysplit ±7°Tomorrowsplit ±5°Sundaysplit ±8°Mondaysplit ±7°Tuesdaysplit ±9°Wednesdaysplit ±7°
NWSNational Blend (NBM)
79°
Drizzle
Today 79°·Low 58°·Rain 29%
AmericanNOAA GFS
85°
Light drizzle
Today 85°·Low 57°·Rain 29%
EuropeanECMWF
83°
Cloudy
Today 83°·Low 59°·Rain 86%
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Fort Collins weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Fort Collins weather in numbers

from 30 years of measured normals

Fort Collins swings 72°F across the year, from 87°F highs in July to 15°F lows in January, and June is usually the wettest month in a year that brings about 17 in of precipitation.

Warmest month
July
87°F average high
Coldest month
January
15°F average low
Wettest month
June
17 in a year
Below freezing
5 months
January, February, March, November and December
Comfortable
3 months
April, May and October
Residents
171,000
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The weather map: all three models at once

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

where the models agree, and where they split
Today
Drizzle
82° 58°
±7°
Tomorrow
Drizzle
75° 55°
±5°
Sun
Light drizzle
70° 51°
±8°
Mon
Light drizzle
72° 53°
±7°
Tue
Light drizzle
76° 55°
±9°
Wed
Light drizzle
78° 56°
±7°
Thu
Mostly clear
79° 56°
±6°
Fri
Light drizzle
79° 57°
±12°
Sat
Light drizzle
80° 60°
±9°
Sun
Mostly clear
79° 55°
±6°
Mon
Light drizzle
75° 55°
models agree
Tue
Cloudy
79° 56°
±15°
Wed
Cloudy
81° 58°
models agree
Thu
Cloudy
80° 59°
±8°

Fort Collins, Colorado (CO) is at its warmest in Jul (average highs near 87°F) and coldest in Jan (lows around 15°F), with roughly 17 in of precipitation across the year. Below, compare what NWS, American, European forecast for Fort Collins 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.

Fort Collins climate by month

average daytime high and overnight low across a typical year
Jan
34°
15°
Feb
42°
16°
Mar
49°
24°
Apr
61°
33°
May
70°
45°
Jun
80°
55°
Jul
87°
59°
Aug
86°
59°
Sep
82°
52°
Oct
68°
41°
Nov
50°
28°
Dec
46°
25°

Which forecast is most accurate in Fort Collins?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
91±0.9°F93±2.2 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
69±3.1°F90±3.2 mph6581% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±7°79° to 85°±57%29% to 86% chance
Tomorrow±5°72° to 77°±61%31% to 92% chance
Sun±8°67° to 75°±41%55% to 96% chance
Mon±7°70° to 77°±11%8% to 19% chance
Tue±9°73° to 82°±5%15% to 20% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Fort Collins

today, local time
Sunrise
06:44
Sunset
19:03
Daylight
12h 19m

Common questions

What's the weather in Fort Collins today?
On this page we show what NWS, American, European each forecast for Fort Collins 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 Fort Collins today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Fort Collins 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 Fort Collins?
Over the last 30 days, the European model has been the most accurate for Fort Collins (CheckWeather Score 91/100), ahead of the American at 73. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Fort Collins?
July is typically the warmest month in Fort Collins, with average highs around 87°F.
How cold does Fort Collins get?
The coldest month in Fort Collins is January, when overnight lows average about 15°F.
How much rain does Fort Collins get?
Fort Collins sees roughly 17 in of precipitation a year, with June usually the wettest month.

Nearby

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