In August, Weymouth typically sees daytime highs of 19.1°C and overnight lows around 13.2°C. Compared to the annual average high of 12.9°C, August runs +6.2°C.
August in Weymouth averages a daytime high of 19.1°C and an overnight low of 13.2°C.
August runs +6.2°C compared to Weymouth's annual average high of 12.9°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 19.1°C and cooler evenings around 13.2°C.