Sebastian 7-day weather forecast

Written by:
March 9, 2026
ESOlex // Shutterstock

Sebastian 7-day weather forecast

Stacker created the forecast for Sebastian, Florida using data from OpenWeather. This week's high is 87 °F on Monday, while the low is 57 °F on Tuesday. There are expected to be 4 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, March 16

- High of 87 °F, low of 69 °F (57% humidity)
- Mostly sunny with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Fresh breeze (20 mph wind)
- Sunrise at 7:30 AM, sunset at 7:30 PM
1 / 6
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Tuesday, March 17

- High of 69 °F, low of 57 °F (59% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:29 AM, sunset at 7:31 PM
2 / 6
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Wednesday, March 18

- High of 67 °F, low of 58 °F (54% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:28 AM, sunset at 7:31 PM
- New moon
3 / 6
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Thursday, March 19

- High of 69 °F, low of 64 °F (55% humidity)
- Overcast with a 31% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:26 AM, sunset at 7:32 PM
4 / 6
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Friday, March 20

- High of 72 °F, low of 64 °F (51% humidity)
- Sunny with a 49% chance of rain (1 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 7:25 AM, sunset at 7:32 PM
5 / 6
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Saturday, March 21

- High of 73 °F, low of 62 °F (51% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 7:24 AM, sunset at 7:33 PM
6 / 6
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Sunday, March 22

- High of 77 °F, low of 63 °F (50% humidity)
- Sunny with a 0% chance of rain
- Moderate breeze (15 mph wind)
- Sunrise at 7:23 AM, sunset at 7:33 PM

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