See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Clear
Feels Like: 25°
Min: 14°
Max: 23°
The next few hours will be overcast, with tomorrow reaching 21°C and dropping to 11°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:59
Sunrise
19:18
Sunset
Moon
Waxing Crescent
10:49
Moonrise
20:21
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
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Weather in Altoona tomorrow, September 15, 2026
Conditions in Altoona 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. Cloud leads the morning, peaking close to 100% near 00:00. Sunshine has little room until later in the day.
Temperatures climb from an overnight low near 15°C toward a daytime high of about 22°C. The air stays humid, with relative humidity between 34% and 97% and the peak around 04:00. A lighter breeze peaks around 18:00 near 7.9 km/h.
Afternoon conditions open up, holding cloud close to 35% near 16:00. The day finishes on a milder, brighter note. Visibility holds near 12.3 km, though it can fall to 4.1 km. Expect sunrise at 07:00, sunset at 19:16, and 12 hours 15 minutes of sunlight today overall.
In short, September 15, 2026 looks like a fine day in Altoona for being outside, peaking around 22°C.
Frequently asked questions about weather in Altoona
How warm does it get in Altoona?
The warmest month in Altoona is July, with average high temperatures of 30°C. The average temperature during this period is around 24°C.
How cold does it get in Altoona?
The coldest month in Altoona is January, with average low temperatures of -9°C. The average temperature during this period is around -5°C.
What is the wettest time of year in Altoona?
The wettest month in Altoona is May, with an average of 144mm of precipitation.
What is the driest time of year in Altoona?
The driest month in Altoona is February, with an average of 33mm of precipitation.
