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 Monday, while the low is 73 °F on Monday. There are expected to be 3 sunny days and rain on 7 days this week.

NWS Melbourne FL has issued a rip current statement until Tuesday at 04:00 AM.

Monday, September 15

- High of 90 °F, low of 73 °F (57% humidity)
- Sunny with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:07 AM, sunset at 7:26 PM
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Leszek Glasner // Shutterstock

Tuesday, September 16

- High of 85 °F, low of 77 °F (57% humidity)
- Sunny with a 92% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:07 AM, sunset at 7:25 PM
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Wednesday, September 17

- High of 84 °F, low of 76 °F (61% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:08 AM, sunset at 7:24 PM
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Thursday, September 18

- High of 80 °F, low of 74 °F (91% humidity)
- Overcast with a 100% chance of rain (37 mm of rain)
- Fresh breeze (19 mph wind)
- Sunrise at 7:08 AM, sunset at 7:23 PM
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Friday, September 19

- High of 81 °F, low of 76 °F (80% humidity)
- Overcast with a 100% chance of rain (18 mm of rain)
- Moderate breeze (17 mph wind)
- Sunrise at 7:09 AM, sunset at 7:22 PM
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Stepan Bessmelnitsin // Shutterstock

Saturday, September 20

- High of 83 °F, low of 78 °F (73% humidity)
- Partly sunny with a 100% chance of rain (8 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 7:09 AM, sunset at 7:21 PM
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Deborah Kolb // Shutterstock

Sunday, September 21

- High of 85 °F, low of 78 °F (68% humidity)
- Fair with a 75% chance of rain (4 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 7:10 AM, sunset at 7:19 PM
- New moon

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