Climate averages 1991–2020
Fort Wayne weather
in August.
A warm, moderately wet month: the 2nd warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Fort Wayne: daytime highs average 26.9°C and nights cool to about 17.7°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 88 mm of rain on roughly 10 days, which makes August a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 49 min on an average August day.
The nearest other city in this atlas is Muncie (106 km away). In August its highs average 27.1°C, about as warm as Fort Wayne, with 79 mm of rain.
Among the 498 cities listed in the United States, Fort Wayne ranks joint 384th of 498 for the warmest August highs and joint 311th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Fort Wayne is 3.0°C cooler than that mean.
From August to September, average highs fall by 3.5°C to 23.4°C, and monthly rainfall falls from 88 mm to 67 mm.
The annual picture
August in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Fort Wayne climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 0.3°C-7.4°C | -7.4°C | 69 | 10.1 | 9.610 h |
| February | 2.5°C-6.3°C | -6.3°C | 58 | 8.4 | 10.611 h |
| March | 8.4°C-1.6°C | -1.6°C | 80 | 10.8 | 11.912 h |
| April | 15.2°C4.4°C | 4.4°C | 101 | 12.4 | 13.313 h |
| May | 21.0°C10.8°C | 10.8°C | 103 | 13.2 | 14.514 h |
| June | 25.8°C16.2°C | 16.2°C | 106 | 12.1 | 15.115 h |
| July | 27.8°C18.4°C | 18.4°C | 91 | 11.2 | 14.815 h |
| August, selected | 26.9°C17.7°C | 17.7°C | 88 | 10.1 | 13.814 h |
| September | 23.4°C13.9°C | 13.9°C | 67 | 8.5 | 12.513 h |
| October | 16.7°C7.8°C | 7.8°C | 74 | 9.4 | 11.111 h |
| November | 9.3°C1.5°C | 1.5°C | 77 | 9.3 | 9.910 h |
| December | 2.9°C-3.9°C | -3.9°C | 64 | 9.7 | 9.39 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Muncie in AugustUnited States · 106 kmHigh 27.1°C · Low 18.0°C · 79 mm rain
- South Bend in AugustUnited States · 112 kmHigh 26.7°C · Low 17.7°C · 97 mm rain
- Kalamazoo in AugustUnited States · 135 kmHigh 26.1°C · Low 17.3°C · 97 mm rain
- Toledo, United States in AugustUnited States · 144 kmHigh 26.7°C · Low 18.3°C · 80 mm rain
- Fishers in AugustUnited States · 151 kmHigh 27.6°C · Low 18.4°C · 74 mm rain
- Carmel in AugustUnited States · 153 kmHigh 27.5°C · Low 18.5°C · 74 mm rain
- Lafayette (Indiana), United States in AugustUnited States · 167 kmHigh 27.6°C · Low 18.4°C · 82 mm rain
- Ann Arbor in AugustUnited States · 172 kmHigh 26.0°C · Low 17.1°C · 83 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Fort Wayne) is explained once on the Fort Wayne year overview and on the Sources, method and limits page.