Marshfield weather in August: Marshfield, Wisconsin: normal highs, lows, rain and records for August
Marshfield in August has a normal high of 78°F and a normal low of 57°F, a daily mean of 67°F, falling from 80°F on the 1st to 75°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 3.20 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 14°C, 81 mm of precipitation in August.
- NOAA stationMarshfield Municipal Airport
- Station IDUSW00094985
- Location44.64°N 90.19°W
- Elevation1,255 ft (383 m)
- Population18,973
- Jan 23° 7°
- Feb 27° 10°
- Mar 39° 22°
- Apr 54° 33°
- May 67° 45°
- Jun 76° 55°
- Jul 80° 58°
- Aug 78° 57°
- Sep 70° 49°
- Oct 56° 37°
- Nov 41° 25°
- Dec 28° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Marshfield in August?
The normal high is 78°F and the normal low 57°F, for a daily mean of 67.3°F. August is 1.7°F cooler than July and 8.0°F warmer than September. August is the 2nd warmest month of the year in Marshfield and the 2nd wettest. Across the month the normal high falls 5°F, from 80°F on August 1 to 75°F on August 31. From one year to the next August's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 65°F and 70°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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 80°F | 58°F | 34% | 19% |
| August 8 | 79°F | 58°F | 33% | 19% |
| August 15 | 78°F | 57°F | 33% | 18% |
| August 22 | 77°F | 56°F | 32% | 17% |
| August 31 | 75°F | 54°F | 31% | 16% |
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 | 80°F | 58°F | 34% | 19% | 14 h 40 min |
| August 2 | 79°F | 58°F | 34% | 19% | 14 h 40 min |
| August 3 | 79°F | 58°F | 34% | 19% | 14 h 40 min |
| August 4 | 79°F | 58°F | 34% | 19% | 14 h 40 min |
| August 5 | 79°F | 58°F | 34% | 19% | 14 h 30 min |
| August 6 | 79°F | 58°F | 33% | 19% | 14 h 30 min |
| August 7 | 79°F | 58°F | 33% | 19% | 14 h 30 min |
| August 8 | 79°F | 58°F | 33% | 19% | 14 h 30 min |
| August 9 | 79°F | 58°F | 33% | 19% | 14 h 20 min |
| August 10 | 79°F | 58°F | 33% | 18% | 14 h 20 min |
| August 11 | 79°F | 58°F | 33% | 18% | 14 h 20 min |
| August 12 | 79°F | 58°F | 33% | 18% | 14 h 10 min |
| August 13 | 78°F | 57°F | 33% | 18% | 14 h 10 min |
| August 14 | 78°F | 57°F | 33% | 18% | 14 h 10 min |
| August 15 | 78°F | 57°F | 33% | 18% | 14 h 10 min |
| August 16 | 78°F | 57°F | 33% | 18% | 14 h |
| August 17 | 78°F | 57°F | 33% | 18% | 14 h |
| August 18 | 78°F | 57°F | 32% | 18% | 14 h |
| August 19 | 78°F | 57°F | 32% | 18% | 14 h |
| August 20 | 77°F | 56°F | 32% | 17% | 13 h 50 min |
| August 21 | 77°F | 56°F | 32% | 17% | 13 h 50 min |
| August 22 | 77°F | 56°F | 32% | 17% | 13 h 50 min |
| August 23 | 77°F | 56°F | 32% | 17% | 13 h 40 min |
| August 24 | 77°F | 56°F | 32% | 17% | 13 h 40 min |
| August 25 | 77°F | 55°F | 32% | 17% | 13 h 40 min |
| August 26 | 76°F | 55°F | 32% | 17% | 13 h 40 min |
| August 27 | 76°F | 55°F | 32% | 17% | 13 h 30 min |
| August 28 | 76°F | 55°F | 32% | 16% | 13 h 30 min |
| August 29 | 76°F | 55°F | 31% | 16% | 13 h 30 min |
| August 30 | 76°F | 54°F | 31% | 16% | 13 h 20 min |
| August 31 | 75°F | 54°F | 31% | 16% | 13 h 20 min |
- Normal high
- 78°FAugust average
- Normal low
- 57°FAugust average
- Precipitation
- 3.20 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 14 h 40 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 28
- Days at 80°F or more
- 13
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094985; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Marshfield in August?
On a given August day the chance of 0.01 inch or more is 33% on average, highest around August 1 (34%). In all, 3.20 in falls on 10 days of a normal August, 1 of them with an inch or more.
In a normal August in Marshfield, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094985.
How humid and windy is Marshfield in August?
At 3 p.m. the normal temperature is 75°F with 54% relative humidity and a dew point of 57°F; at 6 a.m. it is 57°F with 91% humidity. The wind averages 6.8 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 57°F | 55°F | 91% | 5.3 mph | – |
| 9 a.m. | 67°F | 58°F | 73% | 8.2 mph | – |
| noon | 73°F | 58°F | 58% | 9.5 mph | – |
| 3 p.m. | 75°F | 57°F | 54% | 9.6 mph | – |
| 6 p.m. | 71°F | 58°F | 64% | 6.5 mph | – |
| 9 p.m. | 63°F | 57°F | 81% | 5.2 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00094985. 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 Marshfield?
The warmest August temperature on this station's record (since 1996) is 95°F, on August 27, 2013; the coldest is 35°F, on August 21, 2004. The wettest August brought 9.48 in (2021).
The August mean against the 1991-2020 normal of 67.3°F: 2021 68.8°F (+1.5), 2022 67.8°F (+0.5), 2023 68.4°F (+1.1), 2024 68.4°F (+1.1), 2025 65.9°F (−1.4), 2026 68.5°F (+1.2). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 68.8°F | +1.5°F | 9.48 in |
| 2022 | 67.8°F | +0.5°F | 1.96 in |
| 2023 | 68.4°F | +1.1°F | 1.71 in |
| 2024 | 68.4°F | +1.1°F | 6.66 in |
| 2025 | 65.9°F | −1.4°F | 3.43 in |
| 2026 | 68.5°F | +1.2°F | 3.28 in |
Source: records: ACIS, station USW00094985; recent months: ACIS, station USW00094985. Records and recent months use complete months only.
How does August in Marshfield compare across Wisconsin?
Across the 165 places PlainClimate covers in Wisconsin, August normal highs run from 71°F in Laona to 83°F in Lake Geneva; Marshfield's is 78°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.