Mostly cloudy
Broomfield5,397 ft
Midway between Denver and Boulder, higher and breezier.
The outlook
Scattered showers and thunderstorms are likely this afternoon, with some possibly becoming strong with heavy rain and hail. The chance for rain continues Sunday, though it should become drier Monday. Temperatures will be cooler Sunday and Monday before warming again.
The days ahead
Rest of today
through midnight
Rain
Tomorrow
Sun
Rain · colder
Mon
Partly cloudy
Rest of the week
Tue–Fri
Holding steady
2026 is running 6.4° warmer than the archive average so far.
The record high for September 19 is 88°, set in 2021.
This heating season is running 24% milder than normal so far.
Today is running 7° below the seasonal average for this date.
Right now
Conditions
- Wind
- mph WNW
- Humidity
- Pressure
- UV index
- 0Low
- Visibility
- 6 mi
- Dew point
- 51°
Next hour
Minute-by-minute
No precipitation expected in the next hour.
Next 48 hours
Hourly forecast
Sat, Sep 19 → Mon, Sep 21Mountain · midnight starts a new day
7-day outlook
The week ahead
- Today77°56°
Rain · 79% precip
- Sun71°52°
Rain · 61% precip
- Mon75°54°
Partly cloudy · 29% precip
- Tue78°56°
Rain · 34% precip
- Wed77°60°
Rain · 20% precip
- Thu81°57°
Overcast
- Fri83°63°
Overcast
Sun & Moon
Light of day
sunrise
6:45 AM
sunset
7:02 PM
Daylight
12 hr 17 min
−2 min 34 sec vs yesterday
Moon
Waxing Gibbous
Storm tracker
Live radar
Radar by RainViewer · 7-day precipitation forecast by Open-Meteo · basemap OpenFreeMap. Radar covers the past two hours plus a 30-minute nowcast; the 7-day layer is a precipitation forecast.
AdvancedAtmospheric detail & vertical profile
Atmospheric readings
Instability
130 J/kg
Stable air
Freezing level
14,633 ft
Altitude of the 32°F line
Cloud layers
low 55% · mid 33% · high 3%
Soil temp
55°
Ground surface
Vertical profile
Temperature and wind from the surface up through the upper atmosphere.
Climate
How today sits against the record
Open-Meteo archive, 2016–2026
This season's pace
A running total of heating and cooling demand in degree-days, measured against the multi-year average. It is a sum of degrees, not a count of days.
Heating degree-days· Since Oct 1
4,221(-24% vs normal)
Cooling degree-days· Since May 1
1,152(+48% vs normal)
Year to date
+6.4°warmer than the archive average
The year in temperature
2016–2026 avgAverage temperature each month, with heating and cooling degree-days, averaged across these years. This month is outlined.
September 19, across the years
2017–2025Each bar is September 19 only: observed low at the bottom, high at the top. Accent fill is 2026. Dashed lines are the archive’s typical high/low for that date.
Legend
- Frosted bars = other years
- Solid accent = 2026
- Accent dashes: avg high (September 19, archive mean).Neutral dashes: avg low for the same date.
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