Colorado · NWS BOU office

Lafayette, CO weather

It is 38°F and clear at Erie Municipal Airport as of Oct 27, 11:35 PM MDT. Overnight: Mostly Clear, low near 39°F. Forecast from the National Weather Service, issued Oct 27, 12:46 PM MDT.

Updated Oct 28, 12:27 AM MDT (snapshot)

Current conditions

Temperature

38°F

Clear

Wind

Calm

Humidity 100% · dew point 38°F

Pressure · visibility

29.95 inHg

Visibility 9 mi

Observed at Erie Municipal Airport (KEIK), Oct 27, 11:35 PM MDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Lafayette forecast zone right now.

Around the NWS BOU forecast area

No active alerts in zones served by the BOU office near Lafayette.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. Colorado has 3 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Lafayette (local time)
TimeTempForecastPrecip. chanceWind
Wed 12 AM39°FClear0%WNW 3 mph
Wed 1 AM42°FClear0%WNW 3 mph
Wed 2 AM41°FMostly Clear0%W 3 mph
Wed 3 AM39°FMostly Clear0%W 3 mph
Wed 4 AM39°FMostly Clear0%W 3 mph
Wed 5 AM39°FPartly Cloudy0%WSW 5 mph
Wed 6 AM39°FPatchy Fog0%WSW 5 mph
Wed 7 AM39°FPatchy Fog0%SW 5 mph
Wed 8 AM41°FMostly Cloudy0%WSW 5 mph
Wed 9 AM46°FPartly Sunny0%WSW 6 mph
Wed 10 AM54°FPartly Sunny0%SSW 3 mph
Wed 11 AM60°FMostly Sunny0%S 3 mph
Wed 12 PM64°FMostly Sunny0%ESE 3 mph
Wed 1 PM66°FSunny0%SE 5 mph
Wed 2 PM68°FMostly Sunny0%SE 7 mph
Wed 3 PM69°FSunny0%SE 8 mph
Wed 4 PM68°FSunny0%SE 7 mph
Wed 5 PM66°FSunny0%ESE 6 mph
Wed 6 PM61°FPartly Cloudy0%SE 3 mph
Wed 7 PM55°FPartly Cloudy0%S 3 mph
Wed 8 PM53°FPartly Cloudy0%WNW 3 mph
Wed 9 PM51°FPartly Cloudy0%WNW 3 mph
Wed 10 PM49°FMostly Clear0%WNW 3 mph
Wed 11 PM47°FPartly Cloudy0%WNW 3 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Lafayette can differ.

7-day forecast

Overnight

Low 39°F

Mostly clear, with a low around 39. West wind around 5 mph.

Wednesday

High 69°F·Low 37°F

Patchy fog before 8am. Mostly sunny. High near 69, with temperatures falling to around 66 in the afternoon. South wind 3 to 8 mph, with gusts as high as 17 mph.

Wednesday Night: Partly cloudy. Low around 37, with temperatures rising to around 39 overnight. West southwest wind around 3 mph.

Thursday

High 64°F·Low 40°F

Mostly sunny, with a high near 64. South wind around 5 mph.

Thursday Night: Partly cloudy, with a low around 40. North northwest wind 0 to 3 mph.

Friday

High 61°F·Low 42°F

Partly sunny, with a high near 61.

Friday Night: Mostly cloudy, with a low around 42.

Saturday

High 62°F·Low 42°F

Mostly sunny, with a high near 62.

Saturday Night: Partly cloudy, with a low around 42.

Sunday

High 58°F·Low 43°F

A chance of rain showers after 5pm. Mostly cloudy, with a high near 58.

Sunday Night: Rain showers likely. Mostly cloudy, with a low around 43.

Monday

High 53°F·Low 37°F

Rain showers likely. Mostly cloudy, with a high near 53.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 37.

Tuesday

High 53°F

A slight chance of rain showers. Partly sunny, with a high near 53.

Nearby cities

Larger cities in the area

Other cities in Boulder County

See every city we cover in Colorado, or check all active alerts.

About this forecast

Forecast office
Lafayette is served by the National Weather Service BOU forecast office, forecast zone COZ039, county zone COC013.
Location used
The Census Bureau's internal point for Lafayette (39.9948, -105.0997), in Boulder County. Population: 30,587 (2024 estimate), number 27 of the 33 Colorado cities on this site.
Radar
Nearest NWS radar: KFTG. View it on radar.weather.gov.

On Amazon

Weather-ready picks

As an Amazon Associate I earn from qualifying purchases.

Home & kitchen LEVOIT Air Purifier An air purifier for smoky or high-pollen days indoors. View on Amazon → Men’s fashion Hanes Fleece Hooded Sweatshirt A warm hoodie for chilly mornings. View on Amazon → Fitness & outdoors Stanley Quencher H2.0 Tumbler A big tumbler for long commutes and outdoor days. View on Amazon → Fitness & outdoors LifeStraw Personal Water Filter A personal water filter worth adding to an emergency kit. View on Amazon →

Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/39.9948,-105.0997 (forecast issued Oct 27, 12:46 PM MDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

More Colorado cities