Clear
Castle Pines6,558 ft
The high south end of the metro, often the coolest of the thirteen.
The outlook
An Air Quality Alert is in effect until 4 PM this afternoon. Expect very warm temperatures today with a chance of scattered showers and gusty winds. It will remain hot through Tuesday before cooler weather arrives late next week.
The days ahead
Rest of today
through midnight
Rain
Tomorrow
Mon
Overcast
Tue
Overcast
Rest of the week
Wed–Sat
Temperatures cooling, rain Thu
The record high for August 9 is 88°, set in 2020.
2026 is running 5.5° warmer than the archive average so far.
Today is running 9° above the seasonal average for this date.
This heating season is running 17% milder than normal so far.
Right now
Conditions
- Wind
- mph S
- Humidity
- Pressure
- UV index
- 0Low
- Visibility
- 6 mi
- Dew point
- 35°
Next hour
Minute-by-minute
No precipitation expected in the next hour.
Next 48 hours
Hourly forecast
Sun, Aug 9 → Tue, Aug 11Mountain · midnight starts a new day
7-day outlook
The week ahead
- Today91°68°
Rain · 52% precip
- Mon89°66°
Overcast · 46% precip
- Tue94°61°
Overcast · 20% precip
- Wed91°61°
Rain · 85% precip
- Thu83°57°
Rain · 95% precip
- Fri80°57°
Thunderstorms · 93% precip
- Sat82°58°
Rain · 84% precip
Sun & Moon
Light of day
sunrise
6:06 AM
sunset
8:03 PM
Daylight
13 hr 56 min
−2 min 06 sec vs yesterday
Moon
Waning 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
17,028 ft
Altitude of the 32°F line
Cloud layers
low 0% · mid 0% · high 0%
Soil temp
60°
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
5,069(-17% vs normal)
Cooling degree-days· Since May 1
462(+67% vs normal)
Year to date
+5.5°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.
August 9, across the years
2017–2025Each bar is August 9 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 (August 9, archive mean).Neutral dashes: avg low for the same date.
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