Teton County Weather Forecast
Teton County weather: 58°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Will it rain in Teton County?
Possibly - there is a 47% chance in Teton County today.
A 47% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel. Around 0,4 in is forecast, which is enough to soak trails and slow traffic.
Over the next 7 days, about 0,6 in of precipitation is forecast, with the wettest days falling on Fri.
Rainfall over the next 7 days is close to normal for September (0,6 in against a typical 0,4 in).
16-day forecast for Teton County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Sep 18 | 🌧️ Rain | 59° / 47° | 47% · 0,4 in | 14 mph | 5 |
| Sat, Sep 19 | 🌦️ Light rain | 58° / 43° | 25% · 0,2 in | 13 mph | 6 |
| Sun, Sep 20 | 🌦️ Light drizzle | 60° / 42° | 9% · 0,0 in | 6 mph | 5 |
| Mon, Sep 21 | ☀️ Clear sky | 70° / 42° | 1% | 4 mph | 6 |
| Tue, Sep 22 | ☁️ Overcast | 73° / 46° | 11% | 7 mph | 6 |
| Wed, Sep 23 | 🌤️ Mainly clear | 75° / 47° | 16% | 4 mph | 6 |
| Thu, Sep 24 | ⛅ Partly cloudy | 76° / 47° | 8% | 6 mph | 6 |
| Fri, Sep 25 | ☁️ Overcast | 75° / 48° | 7% | 13 mph | 5 |
| Sat, Sep 26 | 🌦️ Light drizzle | 74° / 50° | 13% · 0,0 in | 13 mph | 6 |
| Sun, Sep 27 | 🌤️ Mainly clear | 73° / 46° | 22% | 10 mph | 6 |
| Mon, Sep 28 | ⛅ Partly cloudy | 77° / 42° | 29% | 9 mph | 6 |
| Tue, Sep 29 | 🌧️ Heavy drizzle | 69° / 50° | 29% · 0,2 in | 13 mph | 6 |
| Wed, Sep 30 | 🌦️ Drizzle | 74° / 44° | 26% · 0,1 in | 10 mph | 6 |
| Thu, Oct 1 | 🌧️ Showers | 62° / 49° | 27% · 0,7 in | 5 mph | 4 |
| Fri, Oct 2 | 🌦️ Light drizzle | 49° / 41° | 16% · 0,1 in | 6 mph | 3 |
| Sat, Oct 3 | ⛅ Partly cloudy | 59° / 36° | 23% | 5 mph | 6 |
What this means for Teton County
Today is cooler than average for September. The forecast high of 59°F is 10.4°F below the 70°F typical for this month.
A 47% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel. Around 0,4 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
- Sunglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 66°F, so mornings feel nothing like afternoons
- 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 58°F (15°C) with overcast. Humidity is 73% and wind is 4 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 10:35 PM.
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 18, 2026 at 10:35 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
