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Hourly Forecast
Daylight Hours
07:02
Sunrise
19:17
Sunset
Moon
Waxing Crescent
11:51
Moonrise
20:51
Moonset
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Weather in Johnstown today, September 15, 2026
Conditions in Johnstown on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.
The temperature range runs from about 10°C up to 25°C. Relative humidity sits between 47% and 71%, reaching its peak around 21:00. A lighter breeze peaks around 13:00 near 3.6 km/h.
Expect a more open afternoon, with limited cloud around 4% by 17:00. Residual damp risk should be lower than earlier. Views remain open at about 16.1 km. The sun rises at 07:02 and sets at 19:17, for a total of 12 hours 15 minutes of sunlight today.
The practical takeaway for Johnstown is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 25°C.
Frequently asked questions about weather in Johnstown
How warm does it get in Johnstown?
The warmest month in Johnstown is July, with average high temperatures of 27°C. The average temperature during this period is around 22°C.
How cold does it get in Johnstown?
The coldest month in Johnstown is January, with average low temperatures of -6°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Johnstown?
The wettest month in Johnstown is May, with an average of 157mm of precipitation.
What is the driest time of year in Johnstown?
The driest month in Johnstown is November, with an average of 84mm of precipitation.
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