10-Day Weather Forecast - Sunnyvale, TX

Sunny. Highs in the upper 90s. South winds 5 to 10 mph.

Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph.

Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 90s. Southeast winds around 5 mph.

Partly cloudy in the evening then clearing. Lows in the mid 70s.

Mostly sunny. A 30 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 90s.

Partly cloudy. Lows in the mid 70s.

Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 90s.

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 70s.

Mostly sunny. Highs in the mid 90s.

Mostly clear. Lows in the upper 70s.

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

Mostly clear with widely scattered thunderstorms. Chance of storms 30%. Low temperature around 81F. Dew point will be around 74F with an average humidity of 65%. Winds will be 9 mph from the S.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 96F. Dew point will be around 75F with an average humidity of 65%. Winds will be 8 mph from the S.

Clear. Low temperature around 80F. Dew point will be around 74F with an average humidity of 66%. Winds will be 7 mph from the S.

Sunny. High temperature around 96F. Dew point will be around 74F with an average humidity of 61%. Winds will be 6 mph from the S.

Clear. Low temperature around 81F. Dew point will be around 73F with an average humidity of 63%. Winds will be 5 mph from the SE.

Mostly sunny. High temperature around 97F. Dew point will be around 75F with an average humidity of 59%. Winds will be 3 mph from the S.

Partly cloudy. Low temperature around 81F. Dew point will be around 74F with an average humidity of 63%. Winds will be 4 mph from the SE.