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Sebastian, FL Weather Forecast for 5-Days

Updated: Sat Mar 14th 2026 9:45 PM EDT

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Sebastian, FL Weather – 3-14 – Scattered Showers
75° / 71°
Scattered Showers
Daytime highs will reach 75°F with lows dropping to 71°F in Sebastian, where showers likely at times. The chance of rain is 88% with an estimated 0.01in. Wind will be moderate, blowing around 14mph on average and gusts of 16.2mph at 10 PM. High humidity with average of 88% is anticipated, the maximum being 94% at 11 PM and 91% being its lowest at 10 PM. Barometric pressure is its highest of 30.08inHg at 10 PM, a lowest point of 30.07inHg at 11 PM with an avg 30.08inHg.
Sebastian, FL Weather – 3-15 – Scattered Showers
79° / 69°

Weather Tomorrow

Scattered Showers
In Sebastian, scattered showers are likely with a high near 79°F and a low around 69°F. The chance of rain is 86% with an estimated 0.17in. Winds will be strong at speeds peaking at 21mph and gusts of 37.2mph at 8 PM. High humidity with average of 84% is anticipated, the maximum being 97% at 7 AM and 70% being its lowest at 1 PM. Barometric pressure is its highest of 30.06inHg at 12 AM, a lowest point of 29.98inHg at 11 PM with an avg 30.02inHg.
Sebastian, FL Weather – 3-16 – Cloudy
82° / 70°
Cloudy
In Sebastian, skies will be cloudy with highs near 82°F and lows around 70°F. Wind will be moderate, blowing around 19mph on average and gusts of 32.1mph at 6 PM. The humidity will be on the higher side, averaging about 79%, the maximum being 96% at 2 AM and 61% being its lowest at 2 PM. Barometric pressure is its highest of 30inHg at 11 PM, a lowest point of 29.86inHg at 5 PM with an avg 29.93inHg.
Sebastian, FL Weather – 3-17 – Scattered Showers
57° / 55°
Scattered Showers
Sebastian may see scattered showers, with daytime highs of 57°F and overnight lows near 55°F. The chance of rain is 85% with an estimated 0.16in. Wind will be moderate, blowing around 18mph on average and gusts of 23.1mph at 9 PM. High humidity with average of 86% is anticipated, the maximum being 92% at 5 AM and 64% being its lowest at 10 PM. Barometric pressure is its highest of 30.19inHg at 10 PM, a lowest point of 29.94inHg at 11 PM with an avg 30.1inHg.
Sebastian, FL Weather – 3-18 – Moderate Rain
66° / 59°
Moderate Rain
Sebastian is set for rain showers with temperatures peaking at 66°F and dipping to 59°F. The chance of rain is 89% with an estimated 0.66in. Winds will be strong at speeds peaking at 23mph and gusts of 32.5mph at 9 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 91% at 11 PM and 61% being its lowest at 2 AM. Barometric pressure is its highest of 30.2inHg at 12 AM, a lowest point of 30.02inHg at 11 PM with an avg 30.12inHg.
Sebastian, FL Weather – 3-19 – Heavy Rain
67° / 64°
Heavy Rain
Sebastian may see rain showers, with daytime highs of 67°F and overnight lows near 64°F. Rainfall predicted to have a 61% chance with an estimated 2.27in. Winds will be strong at speeds peaking at 30mph and gusts of 48.9mph at 8 PM. High humidity with average of 91% is anticipated, the maximum being 94% at 1 AM and 86% being its lowest at 8 PM. Barometric pressure is its highest of 30.01inHg at 12 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.88inHg.

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