Helen Key Weather Forecast
- 76
- 84
Isolated Thunderstorms
- 77
- 82
Isolated Thunderstorms
- 77
- 82
Mostly Sunny
- 76
- 84
Mostly Sunny
- 77
- 84
Slight Chance Thunderstorms
- 77
- 86
Chance Thunderstorms
Today 12 May Coastal Collier County
Mostly sunny. Isolated Showers and Thunderstorms in the afternoon. Highs in the lower 90s. East Winds around 5 Mph, becoming west in the afternoon. Chance of rain 20 percent.
Tonight 12 May Coastal Collier County
Mostly cloudy. Lows in the lower 70s. Northwest Winds 5 to 10 Mph, becoming east after midnight.
Helen Key Temperature Statistics
May Temperature
Naples, Naples Municipal Airport (18.6 miles)
Lowest 1 May, 2026
69.7 °FAverage May
79 °FHighest 9 May, 2026
90 °F
Climate (2021–Present)
Naples, Naples Municipal Airport (18.6 miles)
Average Low 2021–2026
69.3 °FAverage 2021–2026
76.9 °FAverage High 2021–2026
85.2 °F