What is the weather in Louisville, CO right now?

The latest observation from Broomfield / Jeffco was 45°F and clear, reported at 10/26/2026, 9:15 PM MDT.

Will it rain in Louisville, CO 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 Louisville, CO?

The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 57°F to 59°F. Model guidance this far out often changes.

What time is sunrise and sunset in Louisville, CO today?

Sunrise is about 7:23 AM MDT and sunset is about 6:05 PM MDT (calculated for the center of the area, within a few minutes).

What is the normal October weather in Louisville, CO?

At Boulder, the 1991 to 2020 normal high in October is 66°F and the normal low is 37°F.

Checked Oct 26, 2026

Louisville, CO Weather

Current conditions, hourly and 10-day forecast from the National Weather Service. Times are local (MDT).

Louisville, CO current weather

45°F

Clear

H 52° / L 37°Feels like 45°

1° cooler than yesterday at this time

No rain expected in the next 12 hours

Observed at Broomfield / Jeffco (5.5 mi away), 10/26/2026, 9:15 PM MDT

Hourly forecast

NWS, updated 12:45 PM

Now43°
11 PM42°
Tue12 AM41°
1 AM40°
2 AM40°
3 AM39°
4 AM38°
5 AM39°
6 AM38°
7 AM38°
8 AM40°
9 AM44°
10 AM49°
11 AM54°
12 PM58°
1 PM61°
2 PM62°
3 PM65°
4 PM63°
5 PM61°
6 PM61°
7 PM55°
8 PM52°
9 PM49°
10 PM47°
11 PM46°
Wed12 AM45°
1 AM44°
2 AM43°
3 AM42°
4 AM40°
5 AM40°
6 AM40°
7 AM40°
8 AM42°
9 AM47°
10 AM52°
11 AM58°
12 PM63°
1 PM66°
2 PM68°
3 PM69°
4 PM68°
5 PM66°
6 PM63°
7 PM59°
8 PM55°
9 PM51°

10-day forecast

Tap a day for details

Today10/26Low 37°High
Tonight: Areas of fog after midnight. Partly cloudy. Low around 37, with temperatures rising to around 39 overnight. North wind around 3 mph.
Partly Cloudy then Areas Of Fog
Tue10/27Low 39°High 66°
Tuesday: Areas of fog before 10am. Mostly sunny. High near 66, with temperatures falling to around 61 in the afternoon. East southeast wind 2 to 6 mph.
Tuesday Night: Mostly clear, with a low around 39. West northwest wind around 5 mph.
Areas Of Fog then Mostly Sunny
Wed10/28Low 39°High 69°
Wednesday: Mostly sunny, with a high near 69. South wind around 7 mph.
Wednesday Night: Mostly clear, with a low around 39. Southwest wind around 5 mph.
Mostly Sunny
Thu10/29Low 41°High 66°
Thursday: Mostly sunny, with a high near 66.
Thursday Night: Partly cloudy, with a low around 41.
Mostly Sunny
Fri10/30Low 43°High 67°
Friday: Partly sunny, with a high near 67.
Friday Night: Partly cloudy, with a low around 43.
Partly Sunny
Sat10/3116% chance of precipitationLow 42°High 65°
Saturday: Mostly sunny, with a high near 65.
Saturday Night: A slight chance of rain showers after 5am. Mostly cloudy, with a low around 42.
Mostly Sunny
Sun11/157% chance of precipitationLow 42°High 60°
Sunday: A chance of rain showers. Mostly cloudy, with a high near 60.
Sunday Night: Rain showers likely. Mostly cloudy, with a low around 42.
Chance Rain Showers
Mon11/250% chance of precipitationLow High 58°
Monday: A chance of rain showers. Partly sunny, with a high near 58.
Chance Rain Showers
Model blend
Tue11/3Model blend20% chance of precipitationLow 40°High 57°
Tuesday: Partly cloudy, slight chance of snow. High near 57°. Low that night near 40°. About 0.01 in of precipitation, with about 0.3 in of snow.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Wed11/4Model blend14% chance of precipitationLow 41°High 59°
Wednesday: Partly cloudy. High near 59°. Low that night near 41°. About 0.1 in of snow.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 39.970, -105.154 from the NWS BOU office, updated 10/26/2026, 12:45 PM MDT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KBJC (Rocky Mtn Metro, 6 mi), model run 10/26/2026, 8:00 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

Now43°Partly Cloudy0%2 mph
11 PM42°Partly Cloudy0%2 mph
12 AM41°Areas Of Fog0%2 mph
1 AM40°Areas Of Fog0%2 mph
2 AM40°Areas Of Fog0%2 mph
3 AM39°Areas Of Fog0%2 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Line: temperature °F. Bars: chance of precipitation.

MonNow43° 0% Sky 33%2
11 PM42° 0% Sky 35%2
Tue 10/2712 AM41° 0% Sky 37%2
1 AM40° 0% Sky 46%2
2 AM40° 0% Sky 55%2
3 AM39° 0% Sky 63%2
4 AM38° 0% Sky 72%2
5 AM39° 0% Sky 81%2
6 AM38° 0% Sky 90%2
7 AM38° 0% Sky 90%2
8 AM40° 0% Sky 83%3
9 AM44° 0% Sky 76%3
10 AM49° 0% Sky 69%3
11 AM54° 0% Sky 50%3
12 PM58° 0% Sky 32%5
1 PM61° 0% Sky 29%5
2 PM62° 0% Sky 26%5
3 PM65° 0% Sky 20%6
4 PM63° 0% Sky 14%5
5 PM61° 0% Sky 9%5
6 PM61° 0% Sky 6%3
7 PM55° 0% Sky 3%3
8 PM52° 0% Sky 3%5
9 PM49° 0% Sky 4%5
10 PM47° 0% Sky 3%5
11 PM46° 0% Sky 3%5
Wed 10/2812 AM45° 0% Sky 5%3
1 AM44° 0% Sky 4%3
2 AM43° 0% Sky 12%3
3 AM42° 0% Sky 25%3
4 AM40° 0% Sky 21%3
5 AM40°Feels 37°0% Sky 34%5
6 AM40°Feels 37°0% Sky 47%5
7 AM40°Feels 36°0% Sky 79%6
8 AM42°Feels 38°0% Sky 63%6
9 AM47°Feels 44°0% Sky 46%6
10 AM52° 0% Sky 37%6
11 AM58° 0% Sky 28%5
12 PM63° 0% Sky 19%5
1 PM66° 0% Sky 20%6
2 PM68° 0% Sky 21%7g13
3 PM69° 0% Sky 22%7g13
4 PM68° 0% Sky 19%7g13
5 PM66° 0% Sky 17%6
6 PM63° 0% Sky 14%5
7 PM59° 0% Sky 14%3g8
8 PM55° 0% Sky 14%5
9 PM51° 0% Sky 14%5
10 PM49° 0% Sky 15%5
11 PM47° 0% Sky 16%3
Thu 10/2912 AM46° 0% Sky 17%3
1 AM45° 0% Sky 20%3
2 AM43° 0% Sky 22%2
3 AM42° 0% Sky 25%2
4 AM41° 0% Sky 34%2
5 AM40° 0% Sky 44%2
6 AM40° 0% Sky 53%2
7 AM40° 0% Sky 53%2
8 AM42° 0% Sky 52%3
9 AM45° 0% Sky 52%3
10 AM49° 0% Sky 49%3
11 AM55° 0% Sky 45%3
12 PM59° 0% Sky 42%3
1 PM63° 0% Sky 43%3g8
2 PM65° 0% Sky 44%5g10
3 PM65° 0% Sky 45%5g12
4 PM65° 0% Sky 45%3g10
5 PM63° 0% Sky 44%3g8
6 PM61° 0% Sky 45%2g7
7 PM58° 0% Sky 45%3g8
8 PM55° 0% Sky 45%5
9 PM52° 0% Sky 45%5
10 PM50° 0% Sky 45%3g8
11 PM48° 0% Sky 45%2
Fri 10/3012 AM47° 0% Sky 45%1
1 AM46° 0% Sky 45%1
2 AM45° 0% Sky 45%1
3 AM44° 0% Sky 45%1
4 AM43° 0% Sky 45%1
5 AM43° 0% Sky 45%1
6 AM43° 0% Sky 62%1
7 AM44° 0% Sky 62%1
8 AM46° 0% Sky 62%2
9 AM49° 0% Sky 62%2
10 AM53° 0% Sky 62%2
11 AM56° 0% Sky 62%3
12 PM60° 7% Sky 49%3
1 PM63° 7% Sky 49%3g9
2 PM65° 7% Sky 49%5g10
3 PM66° 7% Sky 49%5g12
4 PM65° 7% Sky 49%3g10
5 PM64° 7% Sky 49%3g8
6 PM61° 7% Sky 55%2g7
7 PM58° 7% Sky 55%2g7
8 PM56° 7% Sky 55%3
9 PM53° 7% Sky 55%3
10 PM51° 7% Sky 55%2
11 PM50° 7% Sky 55%2
Sat 10/3112 AM49° 7% Sky 39%1
1 AM48° 7% Sky 39%1
2 AM47° 7% Sky 39%1
3 AM46° 7% Sky 39%1
4 AM45° 7% Sky 39%1
5 AM45° 7% Sky 39%1
6 AM45° 7% Sky 44%1
7 AM46° 7% Sky 44%2
8 AM47° 7% Sky 44%2
9 AM49° 7% Sky 44%3
10 AM52° 7% Sky 44%3
11 AM55° 7% Sky 44%3g8
12 PM58° 9% Sky 30%3g8
1 PM60° 9% Sky 30%3g9
2 PM62° 9% Sky 30%5g10
3 PM63° 9% Sky 30%5g12
4 PM63° 9% Sky 30%5g10
5 PM62° 9% Sky 30%3g9
6 PM60° 14% Sky 58%2g7
7 PM57° 14% Sky 58%2
8 PM55° 14% Sky 58%1
9 PM52° 14% Sky 58%1
10 PM51° 14% Sky 58%1
11 PM50° 14% Sky 58%1
Sun 11/112 AM49° 12% Sky 45%1
1 AM48° 12% Sky 45%1
1 AM46° 12% Sky 45%0
2 AM45° 12% Sky 45%0
3 AM44° 12% Sky 45%0
4 AM44° 12% Sky 45%0
5 AM44° 16% Sky 62%0
6 AM45° 16% Sky 62%0
7 AM46° 16% Sky 62%1
8 AM47° 16% Sky 62%1
9 AM49° 16% Sky 62%2
10 AM51° 16% Sky 62%2
11 AM53° 31% Sky 71%3
12 PM55° 31% Sky 71%3g8
1 PM57° 31% Sky 71%5
2 PM58° 31% Sky 71%5g10
3 PM58° 31% Sky 71%5g10
4 PM58° 31% Sky 71%5g10
5 PM57° 49%0.04"Sky 80%5g10
6 PM55° 49%0.04"Sky 80%5
7 PM52° 49%0.04"Sky 80%3g9
8 PM50° 49%0.04"Sky 80%3g8
9 PM49° 49%0.04"Sky 80%3
10 PM49° 49%0.04"Sky 80%2g7
11 PM49° 57%0.03"Sky 73%2
Mon 11/212 AM48° 57%0.03"Sky 73%2
1 AM47° 57%0.03"Sky 73%2
2 AM46° 57%0.03"Sky 73%2
3 AM45° 57%0.03"Sky 73%2
4 AM44° 57%0.03"Sky 73%3
5 AM44° 50%0.02"Sky 67%3
6 AM44°Feels 41°50%0.02"Sky 67%5

Temperature °F · chance of precipitation · amount in inches (T = trace) · sky cover · wind and gusts (g) in mph

NWS hourly forecast updated 10/26/2026, 12:45 PM MDT

Observed today

Since midnight, vs yesterday and normal

Today's high so far is 10° below the normal of 62° and 4° cooler than yesterday's high.

High so far: 52°; 10° below normal
Low so far: 41°; Normal low 34°
Precipitation: 0.00 in; Since midnight

Yesterday: High 55° · Low 39° · Precip 0.00 in
Normal for today: High 62° · Low 34°

Observed at Broomfield / Jeffco (KBJC) since midnight local time, through 9:15 PM. Station reports are preliminary and not quality controlled. Normals are estimated from 1991 to 2020 monthly normals at Boulder.

Radar and satellite

National radar

NEXRAD (last 50 min) and GOES

Latest

Nearby hazards

Colorado hazards

Severe 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 county

Boulder County, week of 10/20/2026

100% of the county is in moderate drought or worse, 100% in extreme drought or worse.

Frequently asked questions

What is the weather in Louisville, CO right now?: The latest observation from Broomfield / Jeffco was 45°F and clear, reported at 10/26/2026, 9:15 PM MDT.
Will it rain in Louisville, CO 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 Louisville, CO?: The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 3 to Nov 4) come from the NOAA National Blend of Models, with highs of 57°F to 59°F. Model guidance this far out often changes.
What time is sunrise and sunset in Louisville, CO today?: Sunrise is about 7:23 AM MDT and sunset is about 6:05 PM MDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Louisville, CO?: At Boulder, the 1991 to 2020 normal high in October is 66°F and the normal low is 37°F.

Sun and moon

Local time, center of the area

Sunrise: 7:23 AM
Sunset: 6:05 PM
Daylight: 10 hr 42 min
Moon: Full Moon 99% lit

First light (civil dawn): 6:55 AM
Last light (civil dusk): 6:33 PM
Moonrise: 6:01 PM
Moonset: 8:03 AM

Normal October weather

Climate

Normal October high 66°, low 37°, precipitation 1.62 in for the month. 1991 to 2020 normals at Boulder, 6 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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About this data

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