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UniColorado
As of 4:15 AM

Clear

Feels like
Today99°68°
Wind6mph SSW
Humidity19%
UV index

Littleton5,358 ft

Historic south metro along the South Platte.

The outlook

A Heat Advisory is in effect until 8 PM tonight. Expect very warm temperatures today, with a chance for scattered showers and gusty winds this afternoon. Monday will remain hot before rain chances increase later in the week.

Next 10 hours68°99°
99°68°
68°Now
69°5 AM
68°6 AM
70°7 AM
78°8 AM
87°9 AM
92°10 AM
95°11 AM
98°12 PM
99°1 PM

The days ahead

Rest of today

through midnight

99°68°

Overcast

Tomorrow

Mon

95°69°

Rain

Tue

99°74°

Overcast

Rest of the week

Wed–Sat

97°65°

Temperatures cooling, rain Thu

The record high for August 9 is 93°, set in 2020.

Today is running 14° above the seasonal average for this date.

2026 is running 6.4° warmer than the archive average so far.

This heating season is running 22% milder than normal so far.

Right now

Conditions

Wind
mph SSW
Humidity
Pressure
Minute-by-minute precipitation isn't available for this city right now.

Next 48 hours

Hourly forecast

Sun, Aug 9 → Tue, Aug 11Mountain · midnight starts a new day

Sun, Aug 9Now68°6 mph
5 AM69°3 mph
6 AM68°7 mph
7 AM70°6 mph
8 AM78°3 mph
9 AM87°4 mph
10 AM92°2 mph
11 AM95°1 mph
12 PM98°3 mph
1 PM99°2%5 mph
2 PM99°4%9 mph
3 PM97°6%18 mph
4 PM96°5%4 mph
5 PM94°4%19 mph
6 PM91°4%15 mph
7 PM90°4%9 mph
8 PM86°5%4 mph
9 PM84°4%6 mph
10 PM82°2%5 mph
11 PM81°2%7 mph
Mon, Aug 1012 AM76°2%4 mph
1 AM73°1%1 mph
2 AM73°1%5 mph
3 AM73°1%3 mph
4 AM71°1%4 mph
5 AM70°1%6 mph
6 AM69°6 mph
7 AM71°3 mph
8 AM76°4 mph
9 AM84°4 mph
10 AM87°2 mph
11 AM91°1%1 mph
12 PM92°2%4 mph
1 PM92°3%9 mph
2 PM93°5%7 mph
3 PM93°5%2 mph
4 PM95°23%3 mph
5 PM77°23%19 mph
6 PM77°23%4 mph
7 PM78°16%6 mph
8 PM75°16%7 mph
9 PM72°16%7 mph
10 PM75°16%9 mph
11 PM77°16%9 mph
Tue, Aug 1112 AM77°16%9 mph
1 AM78°10 mph
2 AM78°7 mph
3 AM77°7 mph

7-day outlook

The week ahead

  • Today

    Overcast

    99°68°
  • Mon

    Rain · 23% precip

    95°69°
  • Tue

    Overcast · 16% precip

    99°74°
  • Wed

    Rain · 64% precip

    97°67°
  • Thu

    Rain · 90% precip

    86°68°
  • Fri

    Drizzle · 86% precip

    86°65°
  • Sat

    Rain · 68% precip

    88°66°

Sun & Moon

Light of day

sunrise

6:07 AM

sunset

8:03 PM

Daylight

13 hr 57 min

−2 min 07 sec vs yesterday

Moon

Waning Crescent

Storm tracker

Live radar

Loading 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

17,060 ft

Altitude of the 32°F line

Cloud layers

low 0% · mid 0% · high 0%

Soil temp

61°

Ground surface

Vertical profile

Temperature and wind from the surface up through the upper atmosphere.

250 hPa36k ft-46°49300 hPa31.9k ft-27°39500 hPa19.5k ft20°21700 hPa10.5k ft64°8850 hPa4.9k ft83°6925 hPa2.4k ft92°61000 hPa0.1k ft100°6Temperature →Wind mph

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

4,264(-22% vs normal)

Cooling degree-days· Since May 1

796(+49% vs normal)

Year to date

+6.4°warmer than the archive average

The year in temperature

2016–2026 avg

Average temperature each month, with heating and cooling degree-days, averaged across these years. This month is outlined.

August 9, across the years

2017–2025

Each 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.

Blended fromOpenWeatherOpen-MeteoNOAA GFSECMWFDWD ICONNWSradar by RainViewerupdated 4:28 AM Denver time

UniColorado installs heat pumps, furnaces, AC, and electrical across Littleton and the Denver metro.

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