In August, Grand Forks typically sees daytime highs of 27.1°C and overnight lows around 12.5°C. Compared to the annual average high of 10.3°C, August runs +16.7°C.
August in Grand Forks averages a daytime high of 27.1°C and an overnight low of 12.5°C.
August runs +16.7°C compared to Grand Forks's annual average high of 10.3°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 27.1°C and cooler evenings around 12.5°C.