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:
Tuesday, September 15, 2026
Increasing Clouds
Mountains @10,000ft
TEMP
WIND SW
Today:
Tonight:
A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny, with a high near 77. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 10%.
A slight chance of showers and thunderstorms, then showers likely after midnight. Partly cloudy, with a low around 43. Calm wind becoming east southeast 5 to 7 mph in the evening. Chance of precipitation is 60%.
Showers likely, then showers and possibly a thunderstorm after noon. High near 72. Light and variable wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 40. South southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%.
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 67. Calm wind becoming west southwest 5 to 8 mph in the morning.
A 20 percent chance of showers. Partly cloudy, with a low around 32.
A slight chance of showers, with thunderstorms also possible after noon. Sunny, with a high near 69. Chance of precipitation is 20%.
Mostly clear, with a low around 33.
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.



