Clear
Highlands Ranch5,702 ft
High suburban shelf south of the city.
The outlook
A Heat Advisory is in effect until 9 PM tonight. Expect temperatures to reach around 100 degrees today. Monsoonal moisture arrives tomorrow, bringing a chance of rain and potentially heavy downpours through Wednesday.
The days ahead
Rest of today
through midnight
Overcast
Tomorrow
Tue
Overcast
Wed
Rain · colder
Rest of the week
Thu–Sun
Temperatures warming, rain Thu
The record high for July 20 is 94°, set in 2018.
2026 is running 6.1° warmer than the archive average so far.
Today is running 10° above the seasonal average for this date.
This heating season is running 21% milder than normal so far.
Right now
Conditions
- Wind
- mph SSW
- Humidity
- Pressure
- UV index
- 0Low
- Visibility
- 6 mi
- Dew point
- 50°
Next hour
Minute-by-minute
No precipitation expected in the next hour.
Next 48 hours
Hourly forecast
Mon, Jul 20 → Wed, Jul 22Mountain · midnight starts a new day
7-day outlook
The week ahead
- Today100°73°
Overcast
- Tue96°71°
Overcast · 19% precip
- Wed95°66°
Rain · 81% precip
- Thu91°67°
Rain · 94% precip
- Fri96°66°
Rain · 82% precip
- Sat99°67°
Rain · 58% precip
- Sun102°67°
Rain · 70% precip
Sun & Moon
Light of day
sunrise
5:49 AM
sunset
8:23 PM
Daylight
14 hr 34 min
−1 min 30 sec vs yesterday
Moon
First Quarter
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
10 J/kg
Stable air
Freezing level
17,487 ft
Altitude of the 32°F line
Cloud layers
low 0% · mid 0% · high 0%
Soil temp
69°
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
4,437(-21% vs normal)
Cooling degree-days· Since May 1
431(+36% vs normal)
Year to date
+6.1°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.
July 20, across the years
2017–2025Each bar is July 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 (July 20, archive mean).Neutral dashes: avg low for the same date.
UniColorado installs heat pumps, furnaces, AC, and electrical across Highlands Ranch and the Denver metro.