Galveston Weather Forecast 15 Days, Weather in Galveston Today
Current weather conditions and 15 day weather forecast for Galveston, Texas, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Galveston
| 16 December 2025 Tuesday 15.3 ° C / 59.5°F  Overcast |
Feels Like : 15.3 ° C / 59.5°F Humidity : % 90 Pressure : 1019 mb Wind Speed : 13.3 kmph / 8.3 miles from ESE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Galveston, TX, USA
Weather Forecast for next 15 Days for Galveston including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Galveston, Texas state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 December 2025 Tuesday | Overcast |
7.4 ° C (45.3°F) |
17.4 ° C (63.3°F) |
13.1 ° C (55.5°F) |
% 83 | 0% | 0.7 | Sunrise:07:07 AM Sunset: 05:24 PM |
Moonrise:04:11 AM Moonset: 02:48 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Moderate rain |
17.3 ° C (63.1°F) |
18.2 ° C (64.7°F) |
17.8 ° C (64°F) |
% 95 | 88% | 0.3 | Sunrise:07:07 AM Sunset: 05:24 PM |
Moonrise:05:08 AM Moonset: 03:27 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Cloudy |
17.5 ° C (63.5°F) |
21.4 ° C (70.5°F) |
18.9 ° C (66.1°F) |
% 88 | 0% | 0.8 | Sunrise:07:08 AM Sunset: 05:24 PM |
Moonrise:06:05 AM Moonset: 04:10 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Sunny |
10.8 ° C (51.4°F) |
12.8 ° C (55.1°F) |
13.1 ° C (55.6°F) |
% 55 | 0% | 0.8 | Sunrise:07:09 AM Sunset: 05:25 PM |
Moonrise:07:00 AM Moonset: 05:00 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Patchy rain nearby |
15.4 ° C (59.7°F) |
18.6 ° C (65.4°F) |
17.4 ° C (63.3°F) |
% 85 | 86% | 0 | Sunrise:07:09 AM Sunset: 05:25 PM |
Moonrise:07:52 AM Moonset: 05:55 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
18.4 ° C (65°F) |
19.5 ° C (67.1°F) |
19.1 ° C (66.3°F) |
% 96 | 0% | 4 | Sunrise:07:10 AM Sunset: 05:26 PM |
Moonrise:08:39 AM Moonset: 06:53 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Partly Cloudy |
19 ° C (66.2°F) |
19.7 ° C (67.5°F) |
19.4 ° C (66.9°F) |
% 95 | 0% | 5 | Sunrise:07:10 AM Sunset: 05:26 PM |
Moonrise:09:22 AM Moonset: 07:52 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
18.4 ° C (65.2°F) |
19.5 ° C (67°F) |
18.8 ° C (65.9°F) |
% 97 | 0% | 5 | Sunrise:07:11 AM Sunset: 05:27 PM |
Moonrise:09:58 AM Moonset: 08:52 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
18.4 ° C (65.1°F) |
19.2 ° C (66.6°F) |
18.7 ° C (65.7°F) |
% 96 | 0% | 5 | Sunrise:07:11 AM Sunset: 05:27 PM |
Moonrise:10:31 AM Moonset: 09:51 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Sunny |
18.1 ° C (64.6°F) |
19.2 ° C (66.5°F) |
18.6 ° C (65.4°F) |
% 92 | 0% | 5 | Sunrise:07:11 AM Sunset: 05:28 PM |
Moonrise:11:02 AM Moonset: 10:50 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
18.2 ° C (64.7°F) |
19.2 ° C (66.5°F) |
18.6 ° C (65.4°F) |
% 95 | 0% | 5 | Sunrise:07:12 AM Sunset: 05:29 PM |
Moonrise:11:32 AM Moonset: 11:50 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Partly Cloudy |
18.3 ° C (65°F) |
18.8 ° C (65.8°F) |
18.5 ° C (65.3°F) |
% 95 | 0% | 5 | Sunrise:07:12 AM Sunset: 05:29 PM |
Moonrise:12:02 PM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Moderate rain |
15.5 ° C (59.9°F) |
17.3 ° C (63.2°F) |
16.8 ° C (62.3°F) |
% 95 | 88% | 4 | Sunrise:07:13 AM Sunset: 05:30 PM |
Moonrise:12:34 PM Moonset: 12:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
13.8 ° C (56.9°F) |
16.2 ° C (61.1°F) |
15.1 ° C (59.2°F) |
% 82 | 0% | 5 | Sunrise:07:13 AM Sunset: 05:31 PM |
Moonrise:01:10 PM Moonset: 01:56 AM Moon Phase ( Waxing Gibbous ) |
|
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