Weather Forecast for Grand Teton National Park
Wyoming, United States of America
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Current Weather - Grand Teton National Park: 19°C
Current Weather - Grand Teton National Park: 19°C
Wyoming, United States of America
Sunny
Feels like 15°C
Wind
5 km/h SW
Humidity
17%
Pressure
1016 mb
UV Index
3
Visibility
10 km
Sunny
Wednesday, August 05, 2026
High
25°C
Low
3°C
Rain Chance
0%
Hourly Forecast
24°C
23°C
15°C
11°C
10°C
9°C
Day Statistics
Maximum Wind
18 km/h
Humidity
20%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:15 AM
Sunset
08:40 PM
Moonrise
11:35 PM
Moonset
01:53 PM
Moon Phase
Last Quarter
Moon Illumination
44%
Air Quality
PM2.5
15.9
μg/m³
PM10
19.6
μg/m³
NO₂
4.4
μg/m³
O₃
111.8
μg/m³
SO₂
0.7
μg/m³
CO
202.3
μg/m³
Sunny
Thursday, August 06, 2026
High
28°C
Low
6°C
Rain Chance
0%
Hourly Forecast
9°C
8°C
7°C
7°C
6°C
6°C
6°C
7°C
11°C
19°C
22°C
24°C
26°C
27°C
27°C
28°C
28°C
28°C
28°C
27°C
18°C
14°C
14°C
13°C
Day Statistics
Maximum Wind
23 km/h
Humidity
19%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
06:16 AM
Sunset
08:39 PM
Moonrise
Does not rise today
Moonset
03:07 PM
Moon Phase
Last Quarter
Moon Illumination
34%
Air Quality
PM2.5
13.3
μg/m³
PM10
16.3
μg/m³
NO₂
3.3
μg/m³
O₃
120.2
μg/m³
SO₂
0.6
μg/m³
CO
182.1
μg/m³
Sunny
Friday, August 07, 2026
High
30°C
Low
8°C
Rain Chance
1%
Hourly Forecast
12°C
11°C
10°C
10°C
9°C
9°C
8°C
9°C
14°C
21°C
24°C
27°C
28°C
29°C
30°C
30°C
30°C
30°C
29°C
28°C
20°C
20°C
18°C
15°C
Day Statistics
Maximum Wind
23 km/h
Humidity
20%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:17 AM
Sunset
08:38 PM
Moonrise
12:07 AM
Moonset
04:21 PM
Moon Phase
Waning Crescent
Moon Illumination
24%
Air Quality
PM2.5
12
μg/m³
PM10
14.4
μg/m³
NO₂
3.3
μg/m³
O₃
121.5
μg/m³
SO₂
0.6
μg/m³
CO
171.4
μg/m³
Sunny
Saturday, August 08, 2026
High
30°C
Low
9°C
Rain Chance
3%
Hourly Forecast
14°C
13°C
12°C
11°C
10°C
9°C
9°C
10°C
16°C
22°C
25°C
27°C
28°C
29°C
30°C
30°C
30°C
30°C
29°C
28°C
20°C
18°C
16°C
14°C
Day Statistics
Maximum Wind
22 km/h
Humidity
23%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:18 AM
Sunset
08:36 PM
Moonrise
12:51 AM
Moonset
05:32 PM
Moon Phase
Waning Crescent
Moon Illumination
16%
Air Quality
PM2.5
14
μg/m³
PM10
16.1
μg/m³
NO₂
3
μg/m³
O₃
132.3
μg/m³
SO₂
0.7
μg/m³
CO
170.4
μg/m³
Sunny
Sunday, August 09, 2026
High
30°C
Low
9°C
Rain Chance
1%
Hourly Forecast
13°C
12°C
12°C
11°C
10°C
10°C
9°C
10°C
16°C
22°C
25°C
27°C
28°C
29°C
29°C
29°C
30°C
29°C
29°C
28°C
19°C
15°C
14°C
13°C
Day Statistics
Maximum Wind
28 km/h
Humidity
24%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:19 AM
Sunset
08:35 PM
Moonrise
01:49 AM
Moonset
06:33 PM
Moon Phase
Waning Crescent
Moon Illumination
9%
Air Quality
PM2.5
14.6
μg/m³
PM10
18.1
μg/m³
NO₂
5.5
μg/m³
O₃
110.1
μg/m³
SO₂
0.6
μg/m³
CO
223.1
μg/m³
Sunny
Monday, August 10, 2026
High
30°C
Low
7°C
Rain Chance
1%
Hourly Forecast
11°C
11°C
10°C
9°C
8°C
8°C
7°C
12°C
16°C
20°C
23°C
25°C
28°C
28°C
29°C
30°C
29°C
29°C
29°C
25°C
20°C
16°C
15°C
15°C
Day Statistics
Maximum Wind
24 km/h
Humidity
27%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:21 AM
Sunset
08:34 PM
Moonrise
03:00 AM
Moonset
07:23 PM
Moon Phase
New Moon
Moon Illumination
4%
Sunny
Tuesday, August 11, 2026
High
31°C
Low
10°C
Rain Chance
1%
Hourly Forecast
15°C
14°C
13°C
12°C
11°C
11°C
10°C
14°C
19°C
23°C
25°C
27°C
29°C
30°C
30°C
31°C
30°C
30°C
30°C
26°C
21°C
17°C
16°C
14°C
Day Statistics
Maximum Wind
25 km/h
Humidity
23%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
06:22 AM
Sunset
08:32 PM
Moonrise
04:22 AM
Moonset
08:02 PM
Moon Phase
New Moon
Moon Illumination
1%
Solar Radiation Data
Shortwave Radiation
290.42
Diffuse Radiation
34.06
DNI
0
GTI
0
Weather Alerts
Air Quality Alert issued August 4 at 11:06AM MDT by NWS Riverton WY
The following message is transmitted on behalf of the Wyoming Department of Environmental Quality, Air Quality Division, and the Wyoming Department of Health. * WHAT...Air Quality Alert for Wildfire Smoke. * WHERE...Yellowstone National Park, the Bighorn Basin, the Wind River Basin, the Absaroka Mountains, the Owl Creek and Bridger Mountains, the Bighorn Mountains, the Rattlesnake Hills and Green Mountains, Johnson County, and Natrona County. * WHEN...11 AM MDT Tuesday to 11 AM MDT Wednesday. * IMPACTS...Smoke from western United States wildfires continues to be observed across much of western and central Wyoming. The smoke is limiting visibilities at times. HEALTH INFORMATION...The Wyoming Department of Health recommends that the elderly, young children, and individuals with respiratory problems avoid excessive physical exertion and minimize outdoor activities during this time. Wildfire smoke is made up of a variety of pollutants, including particulate matter and ozone, which can cause respiratory health effects. Although these people are most susceptible to health impacts, the Department of Health also advises that everyone should avoid prolonged exposure to poor air quality conditions. CURRENT CONDITIONS...The Wyoming Department of Environmental Quality, Air Quality Division offers near real-time air quality data for Wyoming's monitoring stations and health effects information to help the public interpret current conditions. Current air quality conditions across the state of Wyoming can be found at http://www.wyvisnet.com/.
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