10-Day Weather Forecast - Grayson, OK

Sunny. Highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 106.

Clear. Lows in the lower 70s. South winds 5 to 10 mph.

Sunny. Highs in the upper 90s. South winds around 5 mph. Heat index values up to 108.

Mostly clear. Lows in the mid 70s. Southeast winds around 5 mph in the evening, becoming light and variable.

Sunny, hot with highs around 100. Heat index values up to 110.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs around 100. Heat index values up to 110.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs around 100. Heat index values up to 110.

Mostly clear. Lows in the mid 70s.

Sunny, hot with highs around 100. Heat index values up to 105.

Mostly clear. Lows in the mid 70s.

Sunny. Highs in the upper 90s. Heat index values up to 105.

Clear. Low temperature around 79F. Dew point will be around 67F with an average humidity of 55%. Winds will be 5 mph from the S.

Sunny. High temperature around 99F. Dew point will be around 68F with an average humidity of 51%. Winds will be 7 mph from the SW.

Clear. Low temperature around 77F. Dew point will be around 68F with an average humidity of 58%. Winds will be 6 mph from the S.

Sunny. High temperature around 98F. Dew point will be around 69F with an average humidity of 53%. Winds will be 9 mph from the S.

Clear. Low temperature around 75F. Dew point will be around 69F with an average humidity of 60%. Winds will be 6 mph from the S.