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Details

Aspen, Colorado

Aspen weather

Elevation 7,908 ftObserved 10:10 PMNearest station Aspen, in townForecast grid GJT 156,102

Right now

Station 10:10 PM

Temperature

61°F

Feels like 61°

Wind

5 mph SE

Humidity

34%

UV index

0

Low

Air quality

40

Good, PM2.5 1.4

Pressure

29.8 in

Visibility

10 mi

Hour by hour

Through tomorrow evening

Temperature over rain chance, sharing one hour axis. Drag across it to read any hour.

NWS hourly grid · Updated 1h ago
79°49°now
Rain chance12%
10 PM6 AM2 PM10 PM6 AM2 PM9 PM
Hour by hour temperature and chance of precipitation
HourTemperatureChance of precipitation
10 PM57 degrees0 percent
11 PM54 degrees0 percent
12 AM53 degrees0 percent
1 AM53 degrees0 percent
2 AM52 degrees0 percent
3 AM51 degrees1 percent
4 AM50 degrees1 percent
5 AM49 degrees2 percent
6 AM49 degrees3 percent
7 AM50 degrees3 percent
8 AM52 degrees2 percent
9 AM56 degrees2 percent
10 AM64 degrees4 percent
11 AM70 degrees6 percent
12 PM76 degrees8 percent
1 PM76 degrees9 percent
2 PM76 degrees11 percent
3 PM79 degrees12 percent
4 PM77 degrees11 percent
5 PM76 degrees10 percent
6 PM74 degrees8 percent
7 PM68 degrees8 percent
8 PM63 degrees9 percent
9 PM60 degrees9 percent
10 PM58 degrees7 percent
11 PM57 degrees5 percent
12 AM55 degrees3 percent
1 AM55 degrees2 percent
2 AM53 degrees2 percent
3 AM52 degrees1 percent
4 AM51 degrees1 percent
5 AM50 degrees1 percent
6 AM50 degrees1 percent
7 AM49 degrees1 percent
8 AM52 degrees1 percent
9 AM56 degrees1 percent
10 AM65 degrees2 percent
11 AM71 degrees5 percent
12 PM77 degrees7 percent
1 PM77 degrees7 percent
2 PM77 degrees7 percent
3 PM79 degrees9 percent
4 PM78 degrees9 percent
5 PM77 degrees9 percent
6 PM75 degrees6 percent
7 PM69 degrees6 percent
8 PM65 degrees6 percent
9 PM61 degrees6 percent

Next seven days

Open a day for what the forecaster wrote
TonightSep 3Mostly ClearLow 49°2%
Mostly clear, with a low around 49. Southeast wind around 5 mph.NWS detailed forecast, Grand Junction
FriSep 4Mostly Sunny then Isolated Showers And Thunderstorms80° 49°12%
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Southwest wind around 5 mph.NWS detailed forecast, Grand Junction
SatSep 5Partly Sunny81° 51°9%
Partly sunny, with a high near 81. South wind 0 to 5 mph.NWS detailed forecast, Grand Junction
SunSep 6Partly Sunny then Chance Showers And Thunderstorms81° 52°47%
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Chance of precipitation is 40%.NWS detailed forecast, Grand Junction
MonSep 7Showers And Thunderstorms Likely77° 50°61%
A chance of rain showers before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 77.NWS detailed forecast, Grand Junction
TueSep 8Mostly Sunny then Chance Showers And Thunderstorms80° 50°26%
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.NWS detailed forecast, Grand Junction
WedSep 9Slight Chance Rain Showers then Chance Showers And Thunderstorms80° 51°41%
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 80.NWS detailed forecast, Grand Junction

What today means in Aspen

Each line names the number behind it

Cool window: 49° at 5 AM

The day climbs about 31 degrees from there, so anything outside is easier before the middle of the morning.

The long view

Aspen weather in September

The record

September pulls the mornings down fast in Aspen while the afternoons hold on. Normal for September here is a high near 68 and a low near 41, with about 1.9 inches of precipitation. Tonight's forecast low of 49 is running 3 degrees above the normal 46.

The upper Roaring Fork valley stays cool through summer nights and turns storm prone above treeline by early afternoon. Through 3 days of September, the warmest afternoon has been 78° and the coolest morning 49°. The month is averaging 7.7 degrees warmer than the thirty year normal.

When it rains in Aspen

September normally brings 1.9 inches of precipitation. No day this month has measured precipitation yet. 3 of the next seven days carry a chance of 30 percent or better.

Normals 1995 to 2024 · Open-Meteo archive

Aspen readings come from the Aspen station in town. The forecast is the National Weather Service grid over Aspen itself, cell GJT 156,102. Air quality and the thirty year normals come from Open-Meteo.