Teton County Weather Forecast
Teton County weather: 49°F, partly cloudy. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Teton County
Derived from the current forecast window - not an official warning.
Peak gusts of 27 mph and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 1,1 in, 3,1 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
16-day forecast for Teton County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Sep 18 | 🌧️ Rain | 60° / 46° | 51% · 0,4 in | 13 mph | 5 |
| Sat, Sep 19 | 🌧️ Rain | 57° / 44° | 58% · 0,7 in | 12 mph | 6 |
| Sun, Sep 20 | 🌦️ Light drizzle | 57° / 44° | 21% · 0,0 in | 5 mph | 5 |
| Mon, Sep 21 | ☁️ Overcast | 69° / 40° | 5% | 4 mph | 6 |
| Tue, Sep 22 | ☁️ Overcast | 73° / 45° | 7% | 9 mph | 6 |
| Wed, Sep 23 | ☀️ Clear sky | 74° / 46° | 9% | 5 mph | 6 |
| Thu, Sep 24 | 🌤️ Mainly clear | 75° / 47° | 6% | 4 mph | 6 |
| Fri, Sep 25 | ⛅ Partly cloudy | 74° / 48° | 10% | 15 mph | 5 |
| Sat, Sep 26 | 🌦️ Light drizzle | 72° / 50° | 23% · 0,1 in | 12 mph | 4 |
| Sun, Sep 27 | 🌦️ Light drizzle | 66° / 44° | 23% · 0,0 in | 14 mph | 6 |
| Mon, Sep 28 | ☁️ Overcast | 71° / 41° | 34% | 6 mph | 6 |
| Tue, Sep 29 | 🌤️ Mainly clear | 75° / 44° | 29% | 19 mph | 6 |
| Wed, Sep 30 | 🌧️ Rain | 58° / 37° | 19% · 1,1 in | 18 mph | 2 |
| Thu, Oct 1 | 🌧️ Rain | 38° / 35° | 23% · 0,6 in | 7 mph | 4 |
| Fri, Oct 2 | 🌦️ Light drizzle | 46° / 33° | 13% · 0,1 in | 7 mph | 5 |
| Sat, Oct 3 | ☀️ Clear sky | -- / -- | 19% | -- | — |
What this means for Teton County
Today is cooler than average for September. The forecast high of 60°F is 9.7°F below the 70°F typical for this month.
A 51% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
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.
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 49°F (9°C) with partly cloudy. Humidity is 77% 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 11:43 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 18, 2026 at 11:43 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
