Galveston, TX Weather Forecast | 5 Day
Updated: Wed Sep 2nd 2026 12:15 AM CDT
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Scattered Showers
Wed 9-2-26
Scattered Showers with a high of 85°F and a low of 80°F. It will likey rain, having a 85% chance of a downpour with an estimated 3.2in. Winds will be strong at speeds peaking at 22mph and gusts of 21.9mph at 2 AM. The humidity will be on the higher side, averaging about 77%, the maximum being 83% at 5 AM and 72% being its lowest at 2 PM. Barometric pressure is its highest of 30inHg at 11 AM, a lowest point of 29.92inHg at 3 AM with an avg 29.95inHg.
- HI: 85°F
- LO: 80°F
- Rainfall: 85% | est. 3.2in
- Snowfall: 0%
- Wind
21.3 mph - Humidity
77% avg. - UV Index
7.3 - Air QualityGood
- Sunrise
06:57 AM - Sunset
07:40 PM - Moonrise
10:46 PM - Moonset
12:09 PM - Moon Phase
Last Quarter
Scattered Showers
Weather Tomorrow, Thu 9-3-26
Scattered Showers with a high of 85°F and a low of 84°F. Rainfall expected to have a 71% chance with an estimated 0.1in. Wind will be moderate, blowing around 18mph on average and gusts of 19.2mph at 4 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 76% at 5 AM and 70% being its lowest at 12 PM. Barometric pressure is its highest of 29.99inHg at 11 AM, a lowest point of 29.91inHg at 7 PM with an avg 29.94inHg.
- HI: 85°F
- LO: 84°F
- Rainfall: 71% | est. 0.1in
- Snowfall: 0%
- Wind
17.2 mph - Humidity
73% avg. - UV Index
8.7 - Air QualityGood
- Sunrise
06:57 AM - Sunset
07:39 PM - Moonrise
11:32 PM - Moonset
01:13 PM - Moon Phase
Last Quarter
Sunny
Fri 9-4-26
Sunny with a high of 85°F and a low of 85°F. There's a moderate 36% chance of rainfall with an estimated 0.01in. Wind will be moderate, blowing around 15mph on average and gusts of 21.5mph at 8 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 73% at 12 AM and 69% being its lowest at 5 AM. Barometric pressure is its highest of 29.99inHg at 11 AM, a lowest point of 29.9inHg at 7 PM with an avg 29.93inHg.
- HI: 85°F
- LO: 85°F
- Rainfall: 36% | est. 0.01in
- Snowfall: 0%
- Wind
14.5 mph - Humidity
71% avg. - UV Index
10 - Air QualityGood
- Sunrise
06:58 AM - Sunset
07:38 PM - Moonrise
Does not rise today - Moonset
02:18 PM - Moon Phase
Last Quarter
Sunny
Sat 9-5-26
Sunny with a high of 86°F and a low of 84°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 14mph on average and gusts of 22.8mph at 8 PM. The humidity will be on the higher side, averaging about 70%, the maximum being 72% at 12 AM and 65% being its lowest at 5 PM. Barometric pressure is its highest of 29.97inHg at 11 AM, a lowest point of 29.88inHg at 8 PM with an avg 29.92inHg.
- HI: 86°F
- LO: 84°F
- Rainfall: 6%
- Snowfall: 0%
- Wind
13.4 mph - Humidity
70% avg. - UV Index
10.3 - Air QualityGood
- Sunrise
06:58 AM - Sunset
07:36 PM - Moonrise
12:26 AM - Moonset
03:21 PM - Moon Phase
Waning Crescent
Sunny
Sun 9-6-26
Sunny with a high of 86°F and a low of 83°F. There's a very small chance of rainfall, only about 6%. Wind will be moderate, blowing around 12mph on average and gusts of 22.4mph at 7 PM. The humidity will be on the higher side, averaging about 69%, the maximum being 74% at 10 AM and 66% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 10 AM, a lowest point of 29.86inHg at 7 PM with an avg 29.89inHg.
- HI: 86°F
- LO: 83°F
- Rainfall: 6%
- Snowfall: 0%
- Wind
11.9 mph - Humidity
69% avg. - UV Index
7 - Air QualityGood
- Sunrise
06:59 AM - Sunset
07:35 PM - Moonrise
01:29 AM - Moonset
04:19 PM - Moon Phase
Waning Crescent
Sunny
Mon 9-7-26
Sunny with a high of 86°F and a low of 84°F. There's a very small chance of rainfall, only about 8%. Wind will be moderate, blowing around 14mph on average and gusts of 24.4mph at 7 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 75% at 10 AM and 69% being its lowest at 12 AM. Barometric pressure is its highest of 29.96inHg at 10 AM, a lowest point of 29.88inHg at 4 AM with an avg 29.92inHg.
- HI: 86°F
- LO: 84°F
- Rainfall: 8%
- Snowfall: 0%
- Wind
13.2 mph - Humidity
72% avg. - UV Index
7 - Air QualityTBA
- Sunrise
06:59 AM - Sunset
07:34 PM - Moonrise
02:38 AM - Moonset
05:10 PM - Moon Phase
Waning Crescent
This 5-Day weather forecast is relevant for ZIP codes from 77550 through 77555, accurately covering all areas within Galveston, TX.
Currently
 |
81°F |
29.93 inHg.
Barometer 80%
Humidity S 33.8 mph Wind |
| Heavy Rain | ||
National Outlook
Flash Floods Possible for Western Gulf Coast and Northeast 09-01 to 09-03
Tue Sep 1st 2026, 8:57am PDT
Read
Heat Wave and Rainy Weather Ahead - 09-04 to 09-08
Extended Forecast
Tue Sep 1st 2026, 9:10am PDT
Read
Tue Sep 1st 2026, 9:10am PDT
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