Erie weather in August: Erie, Pennsylvania: normal highs, lows, rain and records for August
Erie in August has a normal high of 80°F and a normal low of 63°F, a daily mean of 72°F, falling from 81°F on the 1st to 78°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 3.35 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 27°C and low of 17°C, 85 mm of precipitation in August.
- NOAA stationErie International Airport
- Station IDUSW00014860
- Location42.08°N 80.18°W
- Elevation730 ft (223 m)
- From the center6 miles
- Population92,940
- Jan 35° 21°
- Feb 37° 21°
- Mar 44° 28°
- Apr 57° 38°
- May 68° 49°
- Jun 77° 59°
- Jul 81° 64°
- Aug 80° 63°
- Sep 74° 57°
- Oct 62° 46°
- Nov 51° 37°
- Dec 40° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Erie in August?
The normal high is 80°F and the normal low 63°F, for a daily mean of 71.5°F. August is 1.2°F cooler than July and 6.3°F warmer than September. August is the 2nd warmest month of the year in Erie and the 9th wettest. Across the month the normal high falls 3°F, from 81°F on August 1 to 78°F on August 31. From one year to the next August's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 69°F and 74°F.
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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 81°F | 64°F | 35% | 22% |
| August 8 | 81°F | 64°F | 34% | 22% |
| August 15 | 80°F | 64°F | 33% | 21% |
| August 22 | 80°F | 63°F | 32% | 20% |
| August 31 | 78°F | 61°F | 31% | 20% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 81°F | 64°F | 35% | 22% | 14 h 30 min |
| August 2 | 81°F | 64°F | 35% | 22% | 14 h 30 min |
| August 3 | 81°F | 64°F | 35% | 22% | 14 h 20 min |
| August 4 | 81°F | 64°F | 35% | 22% | 14 h 20 min |
| August 5 | 81°F | 64°F | 35% | 22% | 14 h 20 min |
| August 6 | 81°F | 64°F | 34% | 22% | 14 h 20 min |
| August 7 | 81°F | 64°F | 34% | 22% | 14 h 20 min |
| August 8 | 81°F | 64°F | 34% | 22% | 14 h 10 min |
| August 9 | 81°F | 64°F | 34% | 21% | 14 h 10 min |
| August 10 | 81°F | 64°F | 34% | 21% | 14 h 10 min |
| August 11 | 80°F | 64°F | 34% | 21% | 14 h 10 min |
| August 12 | 80°F | 64°F | 34% | 21% | 14 h |
| August 13 | 80°F | 64°F | 34% | 21% | 14 h |
| August 14 | 80°F | 64°F | 34% | 21% | 14 h |
| August 15 | 80°F | 64°F | 33% | 21% | 14 h |
| August 16 | 80°F | 63°F | 33% | 21% | 13 h 50 min |
| August 17 | 80°F | 63°F | 33% | 21% | 13 h 50 min |
| August 18 | 80°F | 63°F | 33% | 21% | 13 h 50 min |
| August 19 | 80°F | 63°F | 33% | 21% | 13 h 50 min |
| August 20 | 80°F | 63°F | 33% | 21% | 13 h 40 min |
| August 21 | 80°F | 63°F | 33% | 21% | 13 h 40 min |
| August 22 | 80°F | 63°F | 32% | 20% | 13 h 40 min |
| August 23 | 79°F | 63°F | 32% | 20% | 13 h 40 min |
| August 24 | 79°F | 62°F | 32% | 20% | 13 h 30 min |
| August 25 | 79°F | 62°F | 32% | 20% | 13 h 30 min |
| August 26 | 79°F | 62°F | 32% | 20% | 13 h 30 min |
| August 27 | 79°F | 62°F | 32% | 20% | 13 h 30 min |
| August 28 | 79°F | 62°F | 31% | 20% | 13 h 20 min |
| August 29 | 79°F | 62°F | 31% | 20% | 13 h 20 min |
| August 30 | 78°F | 61°F | 31% | 20% | 13 h 20 min |
| August 31 | 78°F | 61°F | 31% | 20% | 13 h 10 min |
- Normal high
- 80°FAugust average
- Normal low
- 63°FAugust average
- Precipitation
- 3.35 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 14 h 30 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 15
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014860; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Erie in August?
On a given August day the chance of 0.01 inch or more is 33% on average, highest around August 1 (35%). In all, 3.35 in falls on 10 days of a normal August, 1 of them with an inch or more.
In a normal August in Erie, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014860.
How humid and windy is Erie in August?
At 3 p.m. the normal temperature is 76°F with 60% relative humidity and a dew point of 61°F; at 6 a.m. it is 64°F with 80% humidity. The wind averages 8.0 mph, most often from the northwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 64°F | 58°F | 80% | 7.1 mph | 60% |
| 9 a.m. | 71°F | 60°F | 69% | 8.7 mph | 63% |
| noon | 75°F | 61°F | 61% | 10.0 mph | 64% |
| 3 p.m. | 76°F | 61°F | 60% | 10.0 mph | 69% |
| 6 p.m. | 74°F | 61°F | 63% | 7.6 mph | 73% |
| 9 p.m. | 68°F | 60°F | 75% | 6.3 mph | 71% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014860. 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 August in Erie?
The warmest August temperature on Erie's official record (since 1873) is 96°F, on August 6, 1918; the coldest is 37°F, on August 29, 1982. The wettest August brought 11.06 in (1977).
The August mean against the 1991-2020 normal of 71.5°F: 2021 75.3°F (+3.8), 2022 72.3°F (+0.8), 2023 69.0°F (−2.5), 2024 71.9°F (+0.4), 2025 69.5°F (−2.0), 2026 71.6°F (+0.1). 4 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.3°F | +3.8°F | 3.37 in |
| 2022 | 72.3°F | +0.8°F | 3.49 in |
| 2023 | 69.0°F | −2.5°F | 2.68 in |
| 2024 | 71.9°F | +0.4°F | 2.90 in |
| 2025 | 69.5°F | −2.0°F | 2.67 in |
| 2026 | 71.6°F | +0.1°F | 6.41 in |
Source: records: ACIS, NWS threaded record ERIthr; recent months: ACIS, station USW00014860. Records and recent months use complete months only.
How does August in Erie compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, August normal highs run from 75°F in Laporte to 87°F in Marcus Hook; Erie's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.