Mostly cloudy
Arvada5,344 ft
Northwest metro, tucked against the foothills.
The outlook
Rain is likely today, continuing into Thursday. Expect strong storms on the plains late Thursday. The weather should dry out and warm up over the weekend.
The days ahead
Rest of today
through midnight
Rain
Tomorrow
Thu
Rain · much milder
Fri
Rain · much milder
Rest of the week
Sat–Tue
Temperatures warming, rain Sat
2026 is running 9.1° warmer than the archive average so far.
Today is running 9° below the seasonal average for this date.
This heating season is running 24% milder than normal so far.
The record low for May 20 is 25°, set in 2017.
Right now
Conditions
- Wind
- mph NNW
- Humidity
- Pressure
- UV index
- 4Moderate
- Visibility
- 6 mi
- Dew point
- 45°
Next hour
Minute-by-minute
No precipitation expected in the next hour.
Next 48 hours
Hourly forecast
Wed, May 20 → Fri, May 22Mountain · midnight starts a new day
7-day outlook
The week ahead
- Today56°42°
Rain · 77% precip
- Thu72°42°
Rain · 53% precip
- Fri68°44°
Rain · 77% precip
- Sat73°49°
Rain · 64% precip
- Sun83°56°
Rain
- Mon86°59°
Rain · 60% precip
- Tue88°60°
Rain · 33% precip
Sun & Moon
Light of day
sunrise
5:41 AM
sunset
8:12 PM
Daylight
14 hr 32 min
+1 min 39 sec vs yesterday
Moon
Waxing Crescent
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
0 J/kg
Stable air
Freezing level
10,597 ft
Altitude of the 32°F line
Cloud layers
low 38% · mid 100% · high 0%
Soil temp
61°
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
4,165(-24% vs normal)
Cooling degree-days· Since May 1
29(season just getting underway)
Year to date
+9.1°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.
May 20, across the years
2017–2025Each bar is May 20 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 (May 20, archive mean).Neutral dashes: avg low for the same date.
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