Altoona weather in April: Altoona, Pennsylvania: normal highs, lows, rain and records for April

Altoona in April has a normal high of 61°F and a normal low of 40°F, a daily mean of 50°F, rising from 54°F on the 1st to 67°F by the 30th. Measurable precipitation falls on 13 days in a normal April, 3.28 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 16°C and low of 4°C, 83 mm of precipitation in April.

  • NOAA stationAltoona Blair County Airport
  • Station IDUSW00014736
  • Location40.30°N 78.32°W
  • Elevation1,480 ft (451 m)
  • From the center15 miles
  • Population42,719
  1. Jan 36° 21°
  2. Feb 39° 23°
  3. Mar 48° 30°
  4. Apr 61° 40°
  5. May 71° 50°
  6. Jun 79° 58°
  7. Jul 83° 62°
  8. Aug 81° 60°
  9. Sep 74° 53°
  10. Oct 63° 43°
  11. Nov 51° 34°
  12. Dec 40° 26°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Altoona in April?

The normal high is 61°F and the normal low 40°F, for a daily mean of 50.4°F. April is 11.7°F warmer than March and 9.9°F cooler than May. April is the 7th warmest month of the year in Altoona and the 5th wettest. Across the month the normal high rises 13°F, from 54°F on April 1 to 67°F on April 30. From one year to the next April's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 48°F and 53°F.

Altoona in April, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 44%).

Normal high and low on five days of April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 154°F35°F41%23%
April 858°F37°F42%24%
April 1561°F40°F42%24%
April 2264°F42°F43%25%
April 3067°F45°F44%26%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Altoona: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 154°F35°F41%23%12 h 40 min
April 255°F35°F41%23%12 h 40 min
April 355°F36°F41%23%12 h 40 min
April 456°F36°F41%23%12 h 50 min
April 556°F36°F41%23%12 h 50 min
April 657°F37°F42%23%12 h 50 min
April 757°F37°F42%23%12 h 50 min
April 858°F37°F42%24%13 h
April 958°F38°F42%24%13 h
April 1059°F38°F42%24%13 h
April 1159°F38°F42%24%13 h
April 1260°F39°F42%24%13 h 10 min
April 1360°F39°F42%24%13 h 10 min
April 1461°F39°F42%24%13 h 10 min
April 1561°F40°F42%24%13 h 10 min
April 1661°F40°F42%24%13 h 20 min
April 1762°F40°F42%25%13 h 20 min
April 1862°F41°F43%25%13 h 20 min
April 1963°F41°F43%25%13 h 20 min
April 2063°F41°F43%25%13 h 30 min
April 2164°F42°F43%25%13 h 30 min
April 2264°F42°F43%25%13 h 30 min
April 2364°F42°F43%25%13 h 30 min
April 2465°F43°F43%26%13 h 40 min
April 2565°F43°F43%26%13 h 40 min
April 2666°F43°F43%26%13 h 40 min
April 2766°F44°F43%26%13 h 40 min
April 2866°F44°F44%26%13 h 50 min
April 2967°F44°F44%26%13 h 50 min
April 3067°F45°F44%26%13 h 50 min
Normal high
61°FApril average
Normal low
40°FApril average
Precipitation
3.28 inmonth total
Days with precipitation
130.01 inch or more
Nights at 32°F or colder
7
Daylight
12 h 40 min to 13 h 50 minApril 1 to April 30
Days at 70°F or more
7
Days at 80°F or more
1
Sunshine
66%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014736; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Altoona in April?

On a given April day the chance of 0.01 inch or more is 42% on average, highest around April 29 (44%). In all, 3.28 in falls on 13 days of a normal April, 1 of them with an inch or more.

In a normal April in Altoona, 7 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014736.

How humid and windy is Altoona in April?

At 3 p.m. the normal temperature is 63°F with 46% relative humidity and a dew point of 42°F; at 6 a.m. it is 47°F with 77% humidity. The wind averages 7.6 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal April day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.47°F40°F77%4.8 mph–
9 a.m.55°F42°F62%8.0 mph47%
noon61°F42°F50%9.8 mph44%
3 p.m.63°F42°F46%10.8 mph41%
6 p.m.60°F42°F51%9.9 mph43%
9 p.m.55°F42°F61%7.0 mph51%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014736. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for April in Altoona?

The warmest April temperature on this station's record (since 1948) is 89°F, on April 27, 1962; the coldest is 12°F, on April 7, 1982. The wettest April brought 7.74 in (2011); the snowiest, 6.8 inches (1982).

The April mean against the 1991-2020 normal of 50.4°F: 2021 50.8°F (+0.4), 2022 48.3°F (−2.1), 2023 53.3°F (+2.9), 2024 53.2°F (+2.8), 2025 53.0°F (+2.6), 2026 54.9°F (+4.5). 5 of 6 ran warmer than normal.

Altoona: April in recent years against the 1991-2020 normal
AprilMeanAgainst normalPrecip.
202150.8°F+0.4°F2.43 in
202248.3°F−2.1°F2.41 in
202353.3°F+2.9°F3.35 in
202453.2°F+2.8°F6.64 in
202553.0°F+2.6°F4.19 in
202654.9°F+4.5°F2.77 in

Source: records: ACIS, station USW00014736; recent months: ACIS, station USW00014736. Records and recent months use complete months only.

How does April in Altoona compare across Pennsylvania?

Across the 108 places PlainClimate covers in Pennsylvania, April normal highs run from 54°F in Laporte to 67°F in Schenley; Altoona's is 61°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places