Martinsburg weather in August: Martinsburg, West Virginia: normal highs, lows, rain and records for August
Martinsburg in August has a normal high of 85°F and a normal low of 63°F, a daily mean of 74°F, falling from 86°F on the 1st to 83°F by the 31st. Measurable precipitation falls on 9 days in a normal August, 3.02 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 17°C, 77 mm of precipitation in August.
- NOAA stationMartinsburg Eastern West Virginia Regional Airport
- Station IDUSW00013734
- Location39.40°N 77.98°W
- Elevation534 ft (163 m)
- From the center4 miles
- Population19,047
- Jan 41° 24°
- Feb 45° 25°
- Mar 54° 32°
- Apr 65° 42°
- May 74° 51°
- Jun 82° 60°
- Jul 87° 65°
- Aug 85° 63°
- Sep 78° 55°
- Oct 67° 44°
- Nov 55° 34°
- Dec 45° 27°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Martinsburg in August?
The normal high is 85°F and the normal low 63°F, for a daily mean of 73.8°F. August is 1.9°F cooler than July and 7.1°F warmer than September. August is the 2nd warmest month of the year in Martinsburg and the 7th wettest. Across the month the normal high falls 3°F, from 86°F on August 1 to 83°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 72°F and 76°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 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 86°F | 64°F | 32% | 21% |
| August 8 | 86°F | 64°F | 31% | 21% |
| August 15 | 85°F | 63°F | 31% | 20% |
| August 22 | 85°F | 62°F | 30% | 19% |
| August 31 | 83°F | 60°F | 29% | 19% |
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 | 86°F | 64°F | 32% | 21% | 14 h 10 min |
| August 2 | 86°F | 64°F | 32% | 21% | 14 h 10 min |
| August 3 | 86°F | 64°F | 32% | 21% | 14 h 10 min |
| August 4 | 86°F | 64°F | 32% | 21% | 14 h 10 min |
| August 5 | 86°F | 64°F | 32% | 21% | 14 h 10 min |
| August 6 | 86°F | 64°F | 32% | 21% | 14 h 10 min |
| August 7 | 86°F | 64°F | 32% | 21% | 14 h |
| August 8 | 86°F | 64°F | 31% | 21% | 14 h |
| August 9 | 86°F | 63°F | 31% | 21% | 14 h |
| August 10 | 86°F | 63°F | 31% | 21% | 14 h |
| August 11 | 86°F | 63°F | 31% | 21% | 13 h 50 min |
| August 12 | 86°F | 63°F | 31% | 21% | 13 h 50 min |
| August 13 | 85°F | 63°F | 31% | 20% | 13 h 50 min |
| August 14 | 85°F | 63°F | 31% | 20% | 13 h 50 min |
| August 15 | 85°F | 63°F | 31% | 20% | 13 h 50 min |
| August 16 | 85°F | 63°F | 31% | 20% | 13 h 40 min |
| August 17 | 85°F | 63°F | 30% | 20% | 13 h 40 min |
| August 18 | 85°F | 62°F | 30% | 20% | 13 h 40 min |
| August 19 | 85°F | 62°F | 30% | 20% | 13 h 40 min |
| August 20 | 85°F | 62°F | 30% | 20% | 13 h 30 min |
| August 21 | 85°F | 62°F | 30% | 20% | 13 h 30 min |
| August 22 | 85°F | 62°F | 30% | 19% | 13 h 30 min |
| August 23 | 84°F | 62°F | 29% | 19% | 13 h 30 min |
| August 24 | 84°F | 62°F | 29% | 19% | 13 h 30 min |
| August 25 | 84°F | 61°F | 29% | 19% | 13 h 20 min |
| August 26 | 84°F | 61°F | 29% | 19% | 13 h 20 min |
| August 27 | 84°F | 61°F | 29% | 19% | 13 h 20 min |
| August 28 | 84°F | 61°F | 29% | 19% | 13 h 20 min |
| August 29 | 83°F | 61°F | 29% | 19% | 13 h 10 min |
| August 30 | 83°F | 60°F | 29% | 19% | 13 h 10 min |
| August 31 | 83°F | 60°F | 29% | 19% | 13 h 10 min |
- Normal high
- 85°FAugust average
- Normal low
- 63°FAugust average
- Precipitation
- 3.02 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 14 h 10 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 26
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013734; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Martinsburg in August?
On a given August day the chance of 0.01 inch or more is 30% on average, highest around August 1 (32%). In all, 3.02 in falls on 9 days of a normal August, 1 of them with an inch or more.
In a normal August in Martinsburg, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013734.
How humid and windy is Martinsburg in August?
At 3 p.m. the normal temperature is 82°F with 50% relative humidity and a dew point of 61°F; at 6 a.m. it is 63°F with 90% humidity. The wind averages 4.3 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 63°F | 60°F | 90% | 2.2 mph | 65% |
| 9 a.m. | 72°F | 62°F | 71% | 4.5 mph | 67% |
| noon | 79°F | 62°F | 55% | 6.7 mph | 56% |
| 3 p.m. | 82°F | 61°F | 50% | 7.3 mph | 57% |
| 6 p.m. | 78°F | 62°F | 57% | 5.8 mph | 66% |
| 9 p.m. | 70°F | 62°F | 77% | 3.0 mph | 68% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013734. 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 Martinsburg?
The warmest August temperature on Martinsburg's official record (since 1891) is 108°F, on August 5, 1930; the coldest is 38°F, on August 23, 1923. The wettest August brought 11.07 in (2024).
The August mean against the 1991-2020 normal of 73.8°F: 2021 76.7°F (+2.9), 2022 74.4°F (+0.6), 2023 72.4°F (−1.4), 2024 72.9°F (−0.9), 2025 71.0°F (−2.8), 2026 74.9°F (+1.1). 3 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 76.7°F | +2.9°F | 4.78 in |
| 2022 | 74.4°F | +0.6°F | 3.53 in |
| 2023 | 72.4°F | −1.4°F | 2.41 in |
| 2024 | 72.9°F | −0.9°F | 11.07 in |
| 2025 | 71.0°F | −2.8°F | 0.00 in |
| 2026 | 74.9°F | +1.1°F | 7.78 in |
Source: records: ACIS, NWS threaded record MRBthr; recent months: ACIS, station USW00013734. Records and recent months use complete months only.
How does August in Martinsburg compare across West Virginia?
Across the 63 places PlainClimate covers in West Virginia, August normal highs run from 74°F in Davis to 88°F in Hamlin; Martinsburg's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Martinsburg in July87°F by day, 65°F at night
- Martinsburg in September78°F by day, 55°F at night
- Martinsburg through the yearEvery month, frost dates, records and recent years
- West Virginia in AugustThe statewide normal and the warmest and coolest places
- Hamlin: West Virginia's warmest Augustnormal high 88°F