In August, Weymouth typically sees daytime highs of 26.7°C and overnight lows around 15.9°C. Compared to the annual average high of 15.1°C, August runs +11.6°C.
August in Weymouth averages a daytime high of 26.7°C and an overnight low of 15.9°C.
August runs +11.6°C compared to Weymouth's annual average high of 15.1°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 26.7°C and cooler evenings around 15.9°C.