Lake San Marcos Weather Forecast 15 Days, Weather in Lake San Marcos Today
Current weather conditions and 15 day weather forecast for Lake San Marcos, California, 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 Lake San Marcos
| 10 February 2026 Tuesday 16.7 ° C / 62.1°F  Partly cloudy |
Feels Like : 16.7 ° C / 62.1°F Humidity : % 75 Pressure : 1015 mb Wind Speed : 19.4 kmph / 12.1 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Lake San Marcos, CA, USA
Weather Forecast for next 15 Days for Lake San Marcos 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 Lake San Marcos, California 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 February 2026 Tuesday | Partly Cloudy |
11 ° C (51.8°F) |
18.9 ° C (66°F) |
14.5 ° C (58.2°F) |
% 82 | 0% | 0.7 | Sunrise:06:37 AM Sunset: 05:30 PM |
Moonrise:01:31 AM Moonset: 11:21 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Patchy rain nearby |
10.4 ° C (50.8°F) |
15.3 ° C (59.5°F) |
13.4 ° C (56°F) |
% 87 | 76% | 0.2 | Sunrise:06:36 AM Sunset: 05:31 PM |
Moonrise:02:28 AM Moonset: 12:05 PM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Partly Cloudy |
8 ° C (46.4°F) |
18.7 ° C (65.7°F) |
13 ° C (55.4°F) |
% 63 | 0% | 0.8 | Sunrise:06:35 AM Sunset: 05:31 PM |
Moonrise:03:23 AM Moonset: 12:57 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday |  Cloudy |
12 ° C (53.6°F) |
18.2 ° C (64.8°F) |
14.4 ° C (57.9°F) |
% 58 | 0% | 0.9 | Sunrise:06:34 AM Sunset: 05:32 PM |
Moonrise:04:13 AM Moonset: 01:54 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Partly Cloudy |
11 ° C (51.8°F) |
19.4 ° C (67°F) |
14.5 ° C (58.2°F) |
% 61 | 0% | 1.1 | Sunrise:06:33 AM Sunset: 05:33 PM |
Moonrise:04:58 AM Moonset: 02:55 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Partly Cloudy |
11.8 ° C (53.3°F) |
18 ° C (64.4°F) |
13.9 ° C (57°F) |
% 71 | 0% | 0 | Sunrise:06:32 AM Sunset: 05:34 PM |
Moonrise:05:37 AM Moonset: 03:58 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday |  Moderate rain |
11.8 ° C (53.2°F) |
13.6 ° C (56.5°F) |
12.7 ° C (54.9°F) |
% 83 | 89% | 3 | Sunrise:06:31 AM Sunset: 05:35 PM |
Moonrise:06:11 AM Moonset: 05:01 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Patchy rain nearby |
10.2 ° C (50.3°F) |
14.7 ° C (58.4°F) |
12.5 ° C (54.4°F) |
% 77 | 86% | 3 | Sunrise:06:30 AM Sunset: 05:36 PM |
Moonrise:06:42 AM Moonset: 06:05 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
9.2 ° C (48.6°F) |
12.6 ° C (54.6°F) |
11.8 ° C (53.2°F) |
% 79 | 85% | 3 | Sunrise:06:29 AM Sunset: 05:37 PM |
Moonrise:07:10 AM Moonset: 07:09 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Patchy rain nearby |
9.7 ° C (49.5°F) |
14.8 ° C (58.6°F) |
11.9 ° C (53.5°F) |
% 75 | 88% | 3 | Sunrise:06:28 AM Sunset: 05:38 PM |
Moonrise:07:38 AM Moonset: 08:12 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Patchy rain nearby |
10.8 ° C (51.5°F) |
13.9 ° C (57.1°F) |
12.6 ° C (54.6°F) |
% 67 | 89% | 3 | Sunrise:06:27 AM Sunset: 05:39 PM |
Moonrise:08:06 AM Moonset: 09:19 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Moderate rain |
10.9 ° C (51.5°F) |
14 ° C (57.2°F) |
12.3 ° C (54.2°F) |
% 75 | 88% | 3 | Sunrise:06:26 AM Sunset: 05:39 PM |
Moonrise:08:37 AM Moonset: 10:26 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Partly Cloudy |
9 ° C (48.2°F) |
16.7 ° C (62°F) |
12.8 ° C (55.1°F) |
% 74 | 0% | 4 | Sunrise:06:24 AM Sunset: 05:40 PM |
Moonrise:09:12 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday |  Sunny |
10.8 ° C (51.5°F) |
17.6 ° C (63.6°F) |
13.3 ° C (55.9°F) |
% 75 | 0% | 4 | Sunrise:06:23 AM Sunset: 05:41 PM |
Moonrise:09:52 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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