For Business
|
Warnings
Data Suite
Forensics
Advertising
Superior Accuracy™

Over 5.5 million acres to burn across US this wildfire season. Read the forecast.

Daily severe thunderstorms on tap for Central U.S. Click to see the forecast.

Upper St. Vrain, CO

Location

Location News Videos

Use Current Location

Recent

Upper St. Vrain

Colorado

No results found.

Try searching for a city, zip code or point of interest.

Create Your Account Unlock extended daily and hourly forecasts — all with your free account.

Have an account already? Log In

settings

Upper St. Vrain, CO Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Hourly

10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

Activate Your Premium+ Subscription

8 PM

52°

RealFeel® 41°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

0%

Intermittent clouds

Red Flag Warning

10:00 AM Wednesday - 12:00 AM Thursday

WindW 21 mph

Air QualityPoor

Wind Gusts23 mph

Humidity15%

Indoor Humidity20% (Very Dry)

Dew Point6° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling33500 ft

9 PM

47°

RealFeel® 36°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

0%

Mostly cloudy

Red Flag Warning

10:00 AM Wednesday - 12:00 AM Thursday

WindW 20 mph

Air QualityPoor

Wind Gusts22 mph

Humidity22%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

43°

RealFeel® 30°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

0%

Mostly cloudy

Red Flag Warning

10:00 AM Wednesday - 12:00 AM Thursday

WindW 18 mph

Air QualityPoor

Wind Gusts21 mph

Humidity31%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

39°

RealFeel® 25°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

0%

Mostly cloudy

Red Flag Warning

10:00 AM Wednesday - 12:00 AM Thursday

WindW 18 mph

Air QualityPoor

Wind Gusts22 mph

Humidity36%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Upper St. Vrain

AccuWeather's hourly forecast for Upper St. Vrain provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 52° with a RealFeel® of 41°, intermittent clouds with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

Further Ahead

Tomorrow

Friday

10-Day

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Central US faces daily severe storms with hail, wind and tornado risks

5 hours ago

Weather Forecasts

Wildfire forecast 2026: Fires likely to burn over 5.5 million acres

14 hours ago

Weather Forecasts

Spring setback to deliver some rain, more chill to Northeast

6 hours ago

Severe Weather

Hail, tornadoes strike Fresno, California during unusual spring storm

5 hours ago

Astronomy

Earth Day: See breathtaking photos Artemis II astronauts took of Earth

11 hours ago

Featured Stories

Severe Weather

Historic Great Lakes flooding shoves ice chunks into Michigan homes

1 day ago

Severe Weather

Illinois leads nation in tornado, hail and wind reports so far in 2026

2 days ago

Severe Weather

4 Lightning sparks 2 house fires near Chicago during thunderstorms

2 days ago

Severe Weather

See it: Oklahoma couple jumps into shelter seconds before tornado hits

2 days ago

Severe Weather

Extreme rainfall in New Zealand causes devastating flooding

1 day ago

World North America United States Colorado Upper St. Vrain

Weather Near Upper St. Vrain:

Boulder, CO
Denver, CO
Fort Collins, CO

Company

Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us

Products & Services

For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations

Apps & Downloads

iPhone App Android App See all Apps & Downloads

Subscription Services

AccuWeather Premium AccuWeather Professional

More

AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center

Company

Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us

Products & Services

For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations

Apps & Downloads

iPhone App Android App See all Apps & Downloads

Subscription Services

AccuWeather Premium AccuWeather Professional

More

AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center

© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.

Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...