Johnstown, CO Weather Forecast and Current Conditions (80534)
Feels Like 86°F
Current Weather
Feels Like 86°F
Forecast at a Glance
This Date in Weather History
1987 - A tropical depression off the coast of South Carolina brought another round of heavy rain to the Middle Atlantic Coast Region and the Upper Ohio Valley. Showers and thunderstorms produced extremely heavy rain in eastern Pennsylvania, where flooding caused more than 55 million dollars across a seven county area. The afternoon high of 97 degrees at Miami FL was a record for the month of September.
More on this and other weather history
Johnstown 7 Day Weather Forecast Details
Monday Sep 8
Day: A slight chance of showers and thunderstorms after 4pm. Partly sunny. High near 88, with temperatures falling to around 84 in the afternoon. North northwest wind around 9 mph. Chance of precipitation is 20%.
Night: A slight chance of rain showers before 9pm. Partly cloudy. Low around 53, with temperatures rising to around 55 overnight. West northwest wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday Sep 9
Day: Mostly sunny. High near 87, with temperatures falling to around 84 in the afternoon. Southeast wind 2 to 7 mph.
Night: Partly cloudy, with a low around 53. North northwest wind 2 to 9 mph.
Wednesday Sep 10
Day: Mostly sunny, with a high near 89. South wind 2 to 8 mph, with gusts as high as 17 mph.
Night: Mostly cloudy, with a low around 56.
Thursday Sep 11
Day: Mostly sunny, with a high near 88.
Night: A slight chance of rain showers before midnight. Mostly cloudy, with a low around 55.
Friday Sep 12
Day: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 83.
Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Saturday Sep 13
Day: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Night: A slight chance of rain showers before midnight. Partly cloudy, with a low around 48.
Sunday Sep 14
Day: Sunny, with a high near 83.
Night: Mostly clear, with a low around 50.
Sun & Moon Monthly
Sunrise 6:35 AM
Sunset 7:22 PM
Last Light 7:49 PM
Moonset 7:28 AM
Contiguous United States Extremes
Sun's High Temperature
112 at Stovepipe Wells, CA
Mon's Low Temperature
27 at 7 Miles South Southeast Of Moddersville, MI and 5 Miles East Of Davis, WV and 14 Miles West Southwest Of Mackay, ID
Weather Folklore
If cumulus clouds are smaller at sunset than at noon, expect fair weather.
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About Johnstown, Colorado
Johnstown is a home rule municipality in Weld and Larimer counties in the U.S. state of Colorado. The population was 17,303 at the 2020 United States census.
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