Mostly cloudy
Castle Pines6,558 ft
The high south end of the metro, often the coolest of the thirteen.
The outlook
Rain is likely through Thursday, with a chance of strong storms late Thursday on the plains. Showers will linger into Friday, especially south of I-70. Expect cooler temperatures to continue through the week.
The days ahead
Rest of today
through midnight
Rain
Tomorrow
Thu
Rain · much milder
Fri
Rain · milder
Rest of the week
Sat–Tue
Temperatures warming, rain Sat
2026 is running 6.8° warmer than the archive average so far.
Today is running 9° below the seasonal average for this date.
The record low for May 20 is 20°, set in 2017.
This heating season is running 17% milder than normal so far.
Right now
Conditions
- Wind
- mph NNE
- Humidity
- Pressure
- UV index
- 1Low
- Visibility
- 6 mi
- Dew point
- 42°
Next hour
Minute-by-minute
Heavy rain starting in 10 min, easing by 29 min from now.
Next 48 hours
Hourly forecast
Wed, May 20 → Fri, May 22Mountain · midnight starts a new day
7-day outlook
The week ahead
- Today53°38°
Snow · 85% precip
- Thu66°39°
Rain · 57% precip
- Fri62°40°
Rain · 78% precip
- Sat67°43°
Rain · 78% precip
- Sun75°48°
Rain · 35% precip
- Mon77°52°
Rain · 59% precip
- Tue79°51°
Rain · 41% precip
Sun & Moon
Light of day
sunrise
5:41 AM
sunset
8:11 PM
Daylight
14 hr 30 min
+1 min 38 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.
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
5,069(-17% vs normal)
Cooling degree-days· Since May 1
2(season just getting underway)
Year to date
+6.8°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.
UniColorado installs heat pumps, furnaces, AC, and electrical across Castle Pines and the Denver metro.