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Boulder, CO 80305 Weather
Today: Mostly Sunny, high 68°F, low 39°F. Hourly and 10-day forecast from the National Weather Service. Times are local (MDT).
Boulder, CO 80305 current weather
40°F
Partly Sunny
Forecast for this hour. No recent report from a nearby station.
H 68° / L 39°
No rain expected in the next 12 hours
No recent station report. NWS hourly forecast updated 10/28/2026, 3:06 AM PT
Hourly forecast
NWS, updated 10/28/2026, 3:06 AM PT
10-day forecast
Tap a day for details
Today10/28Low 39°High 68°
Today: Mostly sunny. High near 68, with temperatures falling to around 64 in the afternoon. South southwest wind 2 to 7 mph.
Tonight: Partly cloudy, with a low around 39. West southwest wind around 3 mph.
Mostly SunnyThu10/29Low 43°High 66°
Thursday: Mostly sunny. High near 66, with temperatures falling to around 63 in the afternoon. East southeast wind around 3 mph.
Thursday Night: Partly cloudy, with a low around 43. West northwest wind 0 to 3 mph.
Mostly SunnyFri10/30Low 44°High 65°
Friday: Partly sunny, with a high near 65. East wind 0 to 5 mph.
Friday Night: Partly cloudy, with a low around 44.
Partly SunnySat10/3112% chance of precipitationLow 43°High 63°
Saturday: Partly sunny, with a high near 63.
Saturday Night: Partly cloudy, with a low around 43.
Partly SunnySun11/166% chance of precipitationLow 43°High 58°
Sunday: Rain showers likely after 11am. Mostly cloudy, with a high near 58.
Sunday Night: Rain showers likely. Mostly cloudy, with a low around 43.
Rain Showers LikelyMon11/264% chance of precipitationLow 40°High 53°
Monday: Rain showers likely. Mostly cloudy, with a high near 53.
Monday Night: A chance of rain showers. Mostly cloudy, with a low around 40.
Rain Showers LikelyTue11/331% chance of precipitationLow 39°High 55°
Tuesday: A chance of rain showers. Mostly sunny, with a high near 55.
Tuesday Night: A slight chance of rain showers before 11pm. Partly cloudy, with a low around 39.
Chance Rain ShowersWed11/4Model blend10% chance of precipitationLow 38°High 58°
Wednesday: Mostly sunny. High near 58°. Low that night near 38°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Thu11/5Model blendLow 39°High 59°
Thursday: Mostly sunny. High near 59°. Low that night near 39°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Fri11/6Model blendLow High 59°
Friday: Partly cloudy. High near 59°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Forecast for 39.976, -105.249 from the NWS BOU office, updated 10/28/2026, 3:06 AM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KBDU (Boulder Muni, 4 mi), model run 10/27/2026, 5:00 PM MDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now40°Partly Sunny0%3 mph
- 7 AM40°Mostly Cloudy0%5 mph
- 8 AM40°Mostly Cloudy0%6 mph
- 9 AM45°Partly Sunny0%6 mph
- 10 AM54°Mostly Sunny0%3 mph
- 11 AM58°Mostly Sunny0%2 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
NWS hourly forecast updated 10/28/2026, 3:06 AM PT
Radar and satellite
National radarNEXRAD (last 50 min) and GOES
Nearby hazards
Colorado hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage: None reported
- Active wildfires within 50 miles: None reported
Drought
By countyBoulder County, week of 10/20/2026
100% of the county is in moderate drought or worse, 100% in extreme drought or worse.
Sun and moon
Local time, center of the area
- Sunrise
- 7:25 AM
- Sunset
- 6:03 PM
- Daylight
- 10 hr 38 min
- Moon
- Waning Gibbous 94% lit
- First light (civil dawn)
- 6:58 AM
- Last light (civil dusk)
- 6:31 PM
- Moonrise
- 7:32 PM
- Moonset
- 10:33 AM
Normal October weather
ClimateNormal October high 66°, low 37°, precipitation 1.62 in for the month. 1991 to 2020 normals at Boulder, 1 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- National Blend of Models (NBM) text guidanceNOAA National Weather Service
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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Frequently asked questions
- What is the high temperature today in Boulder, CO 80305?
- The National Weather Service forecast for today calls for a high near 68°F. Mostly Sunny.
- Will it rain in Boulder, CO 80305 in the next 24 hours?
- The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
- What is the 10-day forecast for Boulder, CO 80305?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 4 to Nov 6) come from the NOAA National Blend of Models, with highs of 58°F to 59°F. Model guidance this far out often changes.
- What time is sunrise and sunset in Boulder, CO 80305 today?
- Sunrise is about 7:25 AM MDT and sunset is about 6:03 PM MDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Boulder, CO 80305?
- At Boulder, the 1991 to 2020 normal high in October is 66°F and the normal low is 37°F.
About this data
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
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