Keystone, SD Monthly Weather

Altitude - 1440m | 43°53′46″N,103°25′5″W | map (OSM)

Keystone, SD

°F

9 pmMostly Cloudy3mphNE

Thu, September 18, 20259:28 PM (GMT -06:00)

September

Sun	Mon	Tue	Wed	Thu Sep 18 61 °F low48 °F	Fri Sep 19 65 °F low45 °F	Sat Sep 20 71 °F low47 °F
Sun Sep 21 78 °F low50 °F	Mon Sep 22 67 °F low51 °F	Tue Sep 23 63 °F low49 °F	Wed Sep 24 71 °F low46 °F	Thu Sep 25 76 °F low51 °F	Fri Sep 26 74 °F low53 °F	Sat Sep 27 74 °F low51 °F
Sun Sep 28 74 °F low53 °F	Mon Sep 29 74 °F low52 °F	Tue Sep 30 69 °F low50 °F	Wed	Thu	Fri	Sat

October

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Last updated 53min ago

Temperature in Keystone, SD for month

* Keystone, SD 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, SD, 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, SD. Please note that long-term forecasts are not a forecast as such, but only reflect the statistics of past years.