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Colorado weather today

We follow 113 towns and cities in Colorado, each with NWS, American, European side by side and the days they disagree flagged. Today the three models put highs between 78°F in Castle Rock and 85°F in Grand Junction, and no model gives a 50% or higher chance of rain in any of the 22 places we hold today's forecast for.

Numbers from the forecast run of Saturday, October 3. Open any town for the live, hour-by-hour comparison.

Weather in Colorado's largest cities today

consensus of NWS, American, European, forecast run of Saturday, October 3
CityTodayHigh / lowRain chanceTomorrowModels agree
DenverMostly clear83°F / 53°F4%Mostly clear, 82°FHigh (1°F apart)
Colorado SpringsMostly clear80°F / 47°F4%Mostly clear, 70°FHigh (3°F apart)
AuroraMostly clear82°F / 55°F4%Mostly clear, 81°FHigh (1°F apart)
Fort CollinsMostly clear83°F / 50°F4%Mostly clear, 79°FHigh (1°F apart)
LakewoodMostly clear82°F / 54°F5%Mostly clear, 81°FHigh
ThorntonMostly clear83°F / 53°F4%Mostly clear, 81°FHigh
WestminsterMostly clear83°F / 53°F4%Mostly clear, 81°FHigh (1°F apart)
ArvadaMostly clear83°F / 54°F5%Mostly clear, 81°FHigh (1°F apart)
CentennialMostly clear81°F / 51°F4%Mostly clear, 80°FHigh (1°F apart)
PuebloClear81°F / 47°F4%Light drizzle, 75°FHigh (4°F apart)
GreeleyMostly clear83°F / 50°F4%Clear, 81°FHigh (1°F apart)
BoulderPartly cloudy83°F / 57°F5%Partly cloudy, 79°FHigh (1°F apart)
Highlands RanchMostly clear81°F / 53°F4%Light drizzle, 81°FHigh (1°F apart)
LongmontMostly clear84°F / 50°F5%Mostly clear, 81°FHigh (1°F apart)
LovelandMostly clear84°F / 51°F5%Mostly clear, 80°FHigh (1°F apart)
BroomfieldPartly cloudy83°F / 53°F5%Mostly clear, 80°FHigh
Grand JunctionMostly clear85°F / 54°F1%Mostly clear, 85°FHigh (3°F apart)
Castle RockMostly clear78°F / 51°F4%Clear, 76°FHigh (1°F apart)
Commerce CityMostly clear84°F / 52°F4%Mostly clear, 82°FHigh
ParkerMostly clear80°F / 51°F3%Mostly clear, 80°FHigh (1°F apart)

Rain chance is the highest of the three models. "Models agree" compares their forecast highs, the same confidence rule as on every city page.

Colorado weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts in Colorado…

Today across Colorado

from the latest model run, Saturday, October 3
Warmest today
84.7°F
  1. Longmont, CO83.9°F
  2. Commerce City, CO83.5°F
  3. Greeley, CO83.4°F
  4. Pueblo, CO81.4°F
Coldest low today
46.8°F
  1. Pueblo, CO47.2°F
  2. Greeley, CO49.5°F
  3. Longmont, CO50.0°F
  4. Centennial, CO50.9°F

Warmest and coldest use the average of NWS, American, European. "Rain most certain" ranks by the lowest chance among the models that give one (at least two), so a place only makes the list when they agree, and only from 30%. One place per area, so the list spreads across the state.

The past week across Colorado

analysed, the seven days September 22 to September 28

Estimates from NASA POWER (GEOS-IT weather analysis, FLASHFlux satellite sunlight), not forecasts or station readings. Warmest and coolest are the average daily high. "Sunniest" is the sunlight that reached the ground as a share of what a clear sky would give at that latitude and date (FAO-56 clear-sky formula, approximate). Each value covers an area of about 50 km around the town, so one town per area. Rain is left out because weekly rain estimates differ too much between data sources to rank them honestly. The week ends a few days back because the sunlight data arrives with a delay.

Which forecast is most accurate in Colorado?

Over the last 30 days we graded the models in 33 Colorado cities against the recorded weather. The European model was most accurate in 30, the American in 3 of them. No model wins everywhere, which is why each city page names its own winner.

How we grade: the US accuracy scoreboard and our method.

Colorado climate, city by city

Across the 70 Colorado places we hold long-run averages for, typical July highs run from 76°F in Woodland Park to 99°F in Orchard Mesa, and January highs from 29°F in Eagle to 43°F in Pueblo. Woodland Park is the wettest at about 29 in of precipitation a year, Fruita the driest at about 12 in.

CityJan highJul highWettest monthRain per year
Denver35°F89°FMay18 in
Colorado Springs36°F86°FJune19 in
Aurora35°F88°FMay21 in
Fort Collins34°F87°FJune17 in
Lakewood35°F87°FMay21 in
Thornton34°F88°FMay19 in
Westminster34°F88°FMay19 in
Arvada34°F88°FMay19 in
Centennial35°F88°FMay22 in
Pueblo43°F93°FJune15 in
Greeley37°F90°FJune17 in
Boulder33°F86°FMay20 in
Highlands Ranch35°F88°FMay21 in
Longmont34°F86°FJune21 in
Loveland34°F87°FJune18 in

Averages from ERA5 reanalysis, the same source as the climate tables on each city page.

All 113 places in Colorado

every town and city we cover, A to Z

Common questions

What is the weather in Colorado today?
Today the three models put highs between 78°F in Castle Rock and 85°F in Grand Junction, and no model gives a 50% or higher chance of rain in any of the 22 places we hold today's forecast for. Open any town on this page for the live, hour-by-hour comparison.
Where is it warmest in Colorado today?
Grand Junction has the highest forecast high of the 22 Colorado places we hold today's forecast for, near 85°F. Castle Rock is the coolest, near 78°F.
Which weather forecast is most accurate in Colorado?
Over the last 30 days we graded the models in 33 Colorado cities against the recorded weather. The European model was most accurate in 30, the American in 3 of them.
What is the climate like in Colorado?
Across the 70 Colorado places we hold long-run averages for, typical July highs run from 76°F in Woodland Park to 99°F in Orchard Mesa, and January highs from 29°F in Eagle to 43°F in Pueblo. Woodland Park is the wettest at about 29 in of precipitation a year, Fruita the driest at about 12 in.

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