Jackson Hole Weather News
Some Jackson Hole weather history, records, and interesting weather facts…
- The average high temperature in Jackson for September is 71°F. The average low temperature is 31°F.
- The record high is 93°F, from 9-9-1934. The record low is 8°F, from 9-22-1985.
- Jackson averages 1.37 inches of precipitation in September.
- The wettest September on record was in 1927 with 6.04 inches of rain.
National Digital Forecast Database
Jackson Hole and Teton Mountain Range
Forecast Powered by MountainWeather™ & NWS
Issued on:
Monday, September 14, 2026
Sunny
Mountains @10,000ft
TEMP
WIND S
Today:
Tonight:
Increasing clouds, with a high near 74. Light south southeast wind becoming south southwest 6 to 11 mph in the afternoon. Winds could gust as high as 22 mph.
Cloudy during the early evening, then gradual clearing, with a low around 35. Southwest wind 5 to 9 mph becoming calm in the evening.
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Calm wind becoming southwest around 6 mph.
A 30 percent chance of showers after midnight. Partly cloudy, with a low around 40. Light and variable wind becoming east southeast 5 to 7 mph in the evening.
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 74. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 32. Chance of precipitation is 20%.
5-Day Forecast Graphs
Click for a Printable Version of the JH Forecast >> Click to read the Riverton NWS Forecast Discussion >> Click to read the Pocatello NWS Forecast Discussion >>
JH Almanac Info
Today
Sunset: 7:31pm
Sunset: 7:29pm
Sunset: 7:28pm
Sunset: 7:26pm
Sunset: 7:24pm
Waxing Crescent
Current
First Qtr.
Sep 18th
Full Moon
Sep 25th
Last Qtr.
Oct 3rd
New Moon
Oct 10thThis Week’s...
Average Hi: 71°F
on Sept. 16, 1936
on Sept. 3, 1990
NWS Forecasts & Reports
Jackson Hole WAM
- This map can be used to access Current Weather conditions AND Point Forecasts for each specific location.
- Current Weather observations are in 2 formats. …NWS & MesoWest.
- NWS Point Forecasts have 3 formats to choose from.
- Chose the NWS Graph button for the most detailed forecast info: hour by hour temps, winds, windchill, cloud cover, precip & snowfall amounts, and lightning activity forecasts.
- Use the Magnifying Glass icon to get a forecast for any location. It will stay in the center of the map as you move the map around. Zoom-in for a more precise location.



