Sebastian 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Sebastian 7-day weather forecast

Stacker created the forecast for Sebastian, Florida using data from OpenWeather. This week's high is 90 °F on Wednesday, while the low is 74 °F on Monday. There are expected to be 2 sunny days and rain on 7 days this week.

There are currently no weather alerts.

Monday, September 8

- High of 86 °F, low of 74 °F (63% humidity)
- Mostly sunny with a 100% chance of rain (18 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:04 AM, sunset at 7:35 PM
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Tuesday, September 9

- High of 89 °F, low of 76 °F (61% humidity)
- Overcast with a 100% chance of rain (29 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:04 AM, sunset at 7:34 PM
2 / 6
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Wednesday, September 10

- High of 90 °F, low of 77 °F (57% humidity)
- Mostly cloudy with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:05 AM, sunset at 7:32 PM
3 / 6
GP PIXSTOCK // Shutterstock

Thursday, September 11

- High of 86 °F, low of 78 °F (65% humidity)
- Mostly cloudy with a 100% chance of rain (12 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:05 AM, sunset at 7:31 PM
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Friday, September 12

- High of 83 °F, low of 77 °F (72% humidity)
- Mostly cloudy with a 100% chance of rain (11 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 7:05 AM, sunset at 7:30 PM
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AnnaElizabeth photography // Shutterstock

Saturday, September 13

- High of 84 °F, low of 77 °F (61% humidity)
- Overcast with a 99% chance of rain (3 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 7:06 AM, sunset at 7:29 PM
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Sunday, September 14

- High of 84 °F, low of 75 °F (63% humidity)
- Sunny with a 100% chance of rain (5 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 7:06 AM, sunset at 7:28 PM
- Last quarter moon

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