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Details

Grand Junction, Colorado

Grand Junction weather

Elevation 4,583 ftObserved 9:40 PMNearest station Grand Junction, in townForecast grid GJT 95,102

Right now

Station 9:40 PM

Temperature

75°F

Feels like 75°

Wind

5 mph S

Wind to 15 mph by 12 AM

Humidity

32%

Dew point 43°

UV index

0

Low

Air quality

42

Good, PM2.5 4.2

Pressure

29.7 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
86°62°now
Rain chance6%
10 PM6 AM2 PM10 PM6 AM2 PM9 PM
Hour by hour temperature and chance of precipitation
HourTemperatureChance of precipitation
10 PM73 degrees1 percent
11 PM70 degrees1 percent
12 AM69 degrees1 percent
1 AM68 degrees1 percent
2 AM67 degrees2 percent
3 AM66 degrees2 percent
4 AM64 degrees2 percent
5 AM64 degrees3 percent
6 AM63 degrees3 percent
7 AM62 degrees3 percent
8 AM64 degrees2 percent
9 AM70 degrees2 percent
10 AM75 degrees3 percent
11 AM78 degrees4 percent
12 PM81 degrees6 percent
1 PM83 degrees6 percent
2 PM85 degrees6 percent
3 PM86 degrees6 percent
4 PM84 degrees4 percent
5 PM84 degrees3 percent
6 PM84 degrees1 percent
7 PM81 degrees1 percent
8 PM78 degrees2 percent
9 PM75 degrees2 percent
10 PM72 degrees1 percent
11 PM70 degrees1 percent
12 AM68 degrees1 percent
1 AM67 degrees1 percent
2 AM66 degrees1 percent
3 AM65 degrees1 percent
4 AM64 degrees1 percent
5 AM63 degrees1 percent
6 AM63 degrees1 percent
7 AM62 degrees0 percent
8 AM64 degrees0 percent
9 AM69 degrees0 percent
10 AM75 degrees1 percent
11 AM78 degrees1 percent
12 PM81 degrees1 percent
1 PM83 degrees1 percent
2 PM84 degrees1 percent
3 PM85 degrees1 percent
4 PM83 degrees1 percent
5 PM83 degrees1 percent
6 PM82 degrees1 percent
7 PM78 degrees1 percent
8 PM76 degrees1 percent
9 PM73 degrees1 percent

Next seven days

Open a day for what the forecaster wrote
TonightSep 3Mostly ClearLow 62°3%
Mostly clear, with a low around 62. Southeast wind 10 to 15 mph.NWS detailed forecast, Grand Junction
FriSep 4Mostly Sunny86° 62°6%
Mostly sunny, with a high near 86. South wind 10 to 15 mph.NWS detailed forecast, Grand Junction
SatSep 5Mostly Sunny85° 63°7%
Mostly sunny, with a high near 85. South wind 5 to 10 mph.NWS detailed forecast, Grand Junction
SunSep 6Partly Sunny then Chance Showers And Thunderstorms84° 62°60%
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 84. Chance of precipitation is 30%.NWS detailed forecast, Grand Junction
MonSep 7Chance Showers And Thunderstorms82° 61°48%
A chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.NWS detailed forecast, Grand Junction
TueSep 8Sunny85° 62°9%
Sunny, with a high near 85.NWS detailed forecast, Grand Junction
WedSep 9Chance Rain Showers then Chance Showers And Thunderstorms86° 64°27%
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 86.NWS detailed forecast, Grand Junction

What today means in Grand Junction

Each line names the number behind it

Cool window: 62° at 7 AM

The day climbs about 24 degrees from there, so anything outside is easier before the middle of the morning.

Around Grand Junction today

Tonight

Soft Palms: @ Copeka

7:00 PM at Copeka Coffee. Rain chance around then is 1 percent.

2 events left today

Rivers

Gunnison River near Grand Junction

791 cfs and steady, water 70°. About 8 miles from Grand Junction.

7 gauges on the Slope

Trails

Nut-N-2-It

Mountain Biking, in town.

8 spots within 25 miles

The long view

Grand Junction weather in September

The record

September is when the valley lets go of summer, a few degrees at a time. Normal for September here is a high near 81 and a low near 54, with about 2.5 inches of precipitation. Tonight's forecast low of 62 is running 2 degrees above the normal 60.

The valley floor runs hotter than anywhere else on the Slope in summer and holds cold air in an inversion for days at a time in winter. Through 3 days of September, the warmest afternoon has been 87° and the coolest morning 57°. The month is averaging 0.9 degrees warmer than the thirty year normal.

When it rains in Grand Junction

September normally brings 2.5 inches of precipitation. So far this month 2 days have measured precipitation, 0.1 inches in total. 2 of the next seven days carry a chance of 30 percent or better.

Normals 1995 to 2024 · Open-Meteo archive

Grand Junction readings come from the Grand Junction station in town. The forecast is the National Weather Service grid over Grand Junction itself, cell GJT 95,102. Air quality and the thirty year normals come from Open-Meteo.