Teton County Weather Forecast
Teton County weather: 53°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
14-day forecast for Teton County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Thu, Sep 17 | 🌧️ Heavy rain | 66° / 50° | 55% · 0,7 in | 12 mph | 3 |
| Fri, Sep 18 | 🌧️ Heavy rain | 62° / 49° | 88% · 0,6 in | 20 mph | 4 |
| Sat, Sep 19 | 🌧️ Heavy drizzle | 62° / 45° | 86% · 0,2 in | 9 mph | 6 |
| Sun, Sep 20 | ☁️ Overcast | 64° / 43° | 36% | 6 mph | 6 |
| Mon, Sep 21 | ☁️ Overcast | 70° / 42° | 0% | 8 mph | 6 |
| Tue, Sep 22 | ☁️ Overcast | 72° / 47° | 4% | 12 mph | 6 |
| Wed, Sep 23 | ☁️ Overcast | 73° / 45° | 9% | 6 mph | 6 |
| Thu, Sep 24 | ☀️ Clear sky | 75° / 45° | 14% | 6 mph | 6 |
| Fri, Sep 25 | ☁️ Overcast | 75° / 47° | 16% | 16 mph | 5 |
| Sat, Sep 26 | 🌦️ Drizzle | 58° / 41° | 21% · 0,2 in | 15 mph | 5 |
| Sun, Sep 27 | 🌦️ Light drizzle | 56° / 38° | 27% · 0,0 in | 16 mph | 5 |
| Mon, Sep 28 | 🌦️ Light drizzle | 55° / 34° | 32% · 0,0 in | 10 mph | 5 |
| Tue, Sep 29 | ☁️ Overcast | 60° / 35° | 30% | 8 mph | 6 |
| Wed, Sep 30 | ☁️ Overcast | 60° / 33° | 26% | 8 mph | 6 |
The two-week trend
Cooling. The second half of the window averages 37°F cooler than the days immediately ahead.
The window averages 65°F against a September normal of 70°F - 37°F below.
The next 7 days carry about 3.5 times a normal week's rain for September (1,5 in against 0,4 in).
What this means for Teton County
Today is slightly cooler than average for September. The forecast high of 66°F is 3.8°F below the 70°F typical for this month.
A 55% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel. Around 0,7 in is forecast, which is enough to soak trails and slow traffic.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 79°F.
What to pack, what to skip
- Layers - the daily swing is 63°F, so mornings feel nothing like afternoons
- A packable rain shell - 3 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the Teton County forecast by time range
Teton County weather - more answers
Explore Teton County
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Weather for related places
Frequently asked questions
Where is Teton County?
Teton County is a county in Wyoming. Its coordinates are 43.4799, -110.7624. It lies in North America.
What is the weather like in Teton County right now?
It is currently 53°F (12°C) with overcast. Humidity is 52% and wind is 3 mph.
When is the best time to visit Teton County?
June, July and August offer the most comfortable conditions in Teton County, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Teton County in?
Teton County observes America/Denver (UTC-06:00). The local time is 3:21 AM.
How many people live in Teton County?
Teton County has a population of approximately 23.000.
What is the nearest airport to Teton County?
The closest airports are Salt Lake City International Airport (SLC), 196 mi away.
What are the top things to do in Teton County?
Popular options include Grand Teton, Grand Teton National Park, Yellowstone (UNESCO World Heritage Site), Yellowstone National Park, Antelope Island State Park and Great Salt Lake.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - 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 17, 2026 at 3:21 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
