Sebastian Weather Forecast
- 73
- 84
Rain Showers
- 72
- 86
Rain Showers Likely
- 72
- 84
Mostly Sunny
- 75
- 85
Partly Sunny
- 75
- 86
Slight Chance Thunderstorms
- 76
- 87
Slight Chance Thunderstorms
- 76
- 87
Slight Chance Thunderstorms
Today 12 May Coastal Indian River
Partly cloudy with a chance of Showers and Thunderstorms late in the Morning, then Showers with Thunderstorms likely late in the afternoon and towards Sunset. Highs in the mid 80s. South Winds 5 to 10 Mph becoming east 10 to 15 Mph late in the afternoon and towards Sunset. Chance of rain 80 percent.
Tonight 12 May Coastal Indian River
Becoming considerable cloudiness in the late evening and overnight. Showers with Thunderstorms likely early in the Evening, then a chance of Showers and Thunderstorms in the late evening and early morning. A slight chance of Showers and Thunderstorms late. Locally heavy rainfall possible early in the evening. Lows in the lower 70s. East Winds 10 to 15 Mph becoming southeast 5 to 10 Mph in the late evening and early Morning, then becoming southwest around 5 Mph late. Chance of rain 80 percent.
Sebastian Temperature Statistics
May Temperature
Vero Beach, Vero Beach Municipal Airport (11.2 miles)
Lowest 7 May, 2026
63.6 °FAverage May
77.9 °FHighest 2 May, 2026
94.6 °F
Climate (2021–Present)
Vero Beach, Vero Beach Municipal Airport (11.2 miles)
Average Low 2021–2026
66.4 °FAverage 2021–2026
74.8 °FAverage High 2021–2026
83.9 °F