See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Clear
Feels Like: 31°
Min: 22°
Max: 28°
The next few hours will be overcast, with tomorrow reaching 34°C and dropping to 25°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:10
Sunrise
19:23
Sunset
Moon
Waxing Crescent
11:44
Moonrise
21:10
Moonset
Daily Forecast
Tuesday
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
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Weather in Harrisburg tomorrow, September 16, 2026
Conditions in Harrisburg on September 16, 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 first half of the day looks overcast, as cloud amounts reach about 100% around 10:00. Brighter weather, if it comes, waits until later.
Expect highs of 34°C and cooler readings close to 19°C. Moisture in the air spans 24%-91%, with the highest values around 03:00. A lighter breeze peaks around 14:00 near 6.4 km/h.
Later hours favour clearer intervals, as cloud stays near 45% around 12:00. The afternoon is the better half for outdoor time. Horizontal visibility sits around 16.0 km, briefly nearer 15.2 km. The sun rises at 07:11 and sets at 19:21, for a total of 12 hours 10 minutes of sunlight today.
Taken together, settled sunshine in Harrisburg on September 16, 2026 makes outdoor timing easier, with highs near 34°C.
Frequently asked questions about weather in Harrisburg
How warm does it get in Harrisburg?
The warmest month in Harrisburg is July, with average high temperatures of 33°C. The average temperature during this period is around 27°C.
How cold does it get in Harrisburg?
The coldest month in Harrisburg is January, with average low temperatures of 2°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Harrisburg?
The wettest month in Harrisburg is August, with an average of 125mm of precipitation.
What is the driest time of year in Harrisburg?
The driest month in Harrisburg is November, with an average of 72mm of precipitation.
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