Grand Teton National Park Weather Forecast
Grand Teton National Park weather: 64°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Grand Teton National Park is a national park in Wyoming. Grand Teton National Park is a US national park known for jagged peaks above Jackson Hole.
Right now it is 64°F (18°C) in Grand Teton National Park with clear sky. It feels like 61°F. Today runs from 35°F to 66°F. Chance of precipitation is 1%. Sightseeing conditions score 9.8/10 - excellent - go now.
The best time to visit Grand Teton National Park is June, July and August. The climate is subarctic. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 77°F, while January is the coldest with lows near 7°F.
The closest major airport is Salt Lake City International Airport (SLC), about 218 mi away. Nearby highlights include Grand Teton, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park and Missouri River.
In plain terms. Today is about average for September. The forecast high of 66°F is in line with the 66°F typical for this month. The best window to be outside is roughly 3 PM to 6 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Grand Teton National Park today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Grand Teton National Park right now
Wear sunglasses and use SPF 30+ if you are outside for long.
Source: Open-Meteo. Updated 6:57 PM, Sep 30 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Grand Teton National Park
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Wed, Sep 30 | ☀️ Clear sky | 66° / 35° | 1% | 8 mph | 6 |
| Thu, Oct 1 | ☁️ Overcast | 66° / 42° | 1% | 14 mph | 6 |
| Fri, Oct 2 | ☁️ Overcast | 71° / 41° | 1% | 10 mph | 6 |
| Sat, Oct 3 | ☁️ Overcast | 70° / 42° | 0% | 6 mph | 5 |
| Sun, Oct 4 | ⛅ Partly cloudy | 73° / 39° | 1% | 8 mph | 5 |
| Mon, Oct 5 | 🌦️ Light drizzle | 71° / 44° | 4% · 0,0 in | 9 mph | 4 |
| Tue, Oct 6 | ⛅ Partly cloudy | 69° / 44° | 5% | 7 mph | 5 |
| Wed, Oct 7 | ☁️ Overcast | 70° / 40° | 1% | 8 mph | 5 |
| Thu, Oct 8 | ☀️ Clear sky | 71° / 40° | 1% | 8 mph | 5 |
| Fri, Oct 9 | ☀️ Clear sky | 72° / 40° | 3% | 20 mph | 5 |
| Sat, Oct 10 | ☁️ Overcast | 68° / 42° | 3% | 22 mph | 5 |
| Sun, Oct 11 | ☀️ Clear sky | 67° / 35° | 4% | 8 mph | 5 |
| Mon, Oct 12 | ⛅ Partly cloudy | 69° / 37° | 3% | 11 mph | 5 |
| Tue, Oct 13 | 🌤️ Mainly clear | 70° / 39° | 13% | 9 mph | 5 |
| Wed, Oct 14 | ☀️ Clear sky | 70° / 39° | 6% | 7 mph | 5 |
| Thu, Oct 15 | ⛅ Partly cloudy | 68° / 37° | 6% | 10 mph | 5 |
Climate in Grand Teton National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 28° | 7° | 2,5 in | ★★☆☆☆ |
| February | 32° | 13° | 4,6 in | ★☆☆☆☆ |
| March | 39° | 18° | 3,3 in | ★★☆☆☆ |
| April | 44° | 22° | 2,4 in | ★★☆☆☆ |
| May | 54° | 30° | 2,7 in | ★★★☆☆ |
| June | 67° | 40° | 1,2 in | ★★★★☆ |
| July | 77° | 49° | 1,1 in | ★★★★★ |
| August | 75° | 48° | 1,6 in | ★★★★★ |
| September | 66° | 41° | 1,3 in | ★★★★☆ |
| October | 53° | 32° | 2,6 in | ★★★☆☆ |
| November | 38° | 22° | 2,0 in | ★★☆☆☆ |
| December | 33° | 16° | 4,6 in | ★☆☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Weather map for Grand Teton National Park
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Grand Teton National Park
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Grand Teton National Park
Go in June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Explore Grand Teton National Park
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Grand Teton National Park?
Grand Teton National Park is a national park in Wyoming. Its coordinates are 43.7904, -110.6818. It lies in North America.
What is the weather like in Grand Teton National Park right now?
It is currently 64°F (18°C) with clear sky. Humidity is 39% and wind is 4 mph.
When is the best time to visit Grand Teton National Park?
June, July and August offer the most comfortable conditions in Grand Teton National Park, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Grand Teton National Park in?
Grand Teton National Park observes America/Denver (UTC-06:00). The local time is 6:57 PM.
What is the nearest airport to Grand Teton National Park?
The closest airports are Salt Lake City International Airport (SLC), 218 mi away.
What are the top things to do in Grand Teton National Park?
Popular options include Grand Teton, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park, Missouri River, Antelope Island State Park and Great Salt Lake.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 30, 2026 at 6:57 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
