Sun	Mon	Tue	Wed	Thu	Fri Aug 1 78 °F low61 °F	Sat Aug 2 76 °F low60 °F
Sun Aug 3 78 °F low57 °F	Mon Aug 4 77 °F low58 °F	Tue Aug 5 81 °F low57 °F	Wed Aug 6 83 °F low60 °F	Thu Aug 7 82 °F low62 °F	Fri Aug 8 83 °F low62 °F	Sat Aug 9 83 °F low62 °F

Last updated 34min ago

Temperature in Keystone, MT for month

* Keystone, MT Monthly weather is based on statistical data for the last 10 years. It is intended for personal use on an "as is" basis. This page provides the weather forecast for the next 30 days. In this forecast option you can see precipitation icons and maximum air temperature. The first 14 days reflect the current weather forecast for Keystone, MT, and the following days reflect the weather based on statistical data from the last few years of measurements. This weather forecast will be useful for a general understanding of weather changes the nearest month for Keystone, MT. Please note that long-term forecasts are not a forecast as such, but only reflect the statistics of past years.