Harbor Isle Weather Forecast
- 79
- 95
Chance Rain Showers
- 77
- 91
Thunderstorms Likely
- 77
- 91
Thunderstorms Likely
- 77
- 93
Thunderstorms Likely
- 78
- 94
Thunderstorms Likely
- 78
- 95
Chance Thunderstorms
Today 21 Jul Pinellas
Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 90s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 108.
Tonight 21 Jul Pinellas
Mostly cloudy in the Evening, then becoming partly cloudy. A slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Humid with Lows in the upper 70s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.
Harbor Isle Temperature Statistics
July Temperature
Albert Whitted Airport (5 miles)
Lowest 4 July, 2025
73.7 °FAverage July
83.3 °FHighest 13 July, 2025
91.7 °F
Climate (2020–Present)
Albert Whitted Airport (5 miles)
Average Low 2020–2025
70.3 °FAverage 2020–2025
75.7 °FAverage High 2020–2025
81.9 °F