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
| 26 June 2026 Friday 20.6 ° C / 69.1°F  Sunny |
Feels Like : 20.6 ° C / 69.1°F Humidity : % 61 Pressure : 1015 mb Wind Speed : 17.3 kmph / 10.7 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 June 2026 Friday |  Overcast |
14.5 ° C (58.1°F) |
24.2 ° C (75.6°F) |
18.6 ° C (65.4°F) |
% 80 | 16% | 10.9 | Sunrise:05:41 AM Sunset: 08:01 PM |
Moonrise:05:55 PM Moonset: 02:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 June 2026 Saturday |  Partly Cloudy |
14.1 ° C (57.4°F) |
23.2 ° C (73.8°F) |
18.5 ° C (65.4°F) |
% 73 | 17% | 10.6 | Sunrise:05:42 AM Sunset: 08:01 PM |
Moonrise:06:53 PM Moonset: 03:41 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday |  Patchy rain nearby |
14.6 ° C (58.3°F) |
20.7 ° C (69.3°F) |
17.5 ° C (63.6°F) |
% 65 | 17% | 10.4 | Sunrise:05:42 AM Sunset: 08:01 PM |
Moonrise:07:46 PM Moonset: 04:30 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday | Patchy rain nearby |
14.2 ° C (57.6°F) |
22.1 ° C (71.8°F) |
18.1 ° C (64.6°F) |
% 64 | 17% | 10.5 | Sunrise:05:42 AM Sunset: 08:01 PM |
Moonrise:08:32 PM Moonset: 05:24 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday | Patchy rain nearby |
13.3 ° C (56°F) |
22 ° C (71.7°F) |
17.2 ° C (63°F) |
% 69 | 17% | 0 | Sunrise:05:43 AM Sunset: 08:01 PM |
Moonrise:09:12 PM Moonset: 06:22 AM Moon Phase ( Full Moon ) |
|
| 01 July 2026 Wednesday | Sunny |
11.9 ° C (53.5°F) |
22.5 ° C (72.5°F) |
17 ° C (62.7°F) |
% 68 | 6% | 5 | Sunrise:05:43 AM Sunset: 08:01 PM |
Moonrise:09:47 PM Moonset: 07:20 AM Moon Phase ( Waning Gibbous ) |
|
| 02 July 2026 Thursday | Sunny |
12.3 ° C (54.2°F) |
23.6 ° C (74.4°F) |
17.8 ° C (64°F) |
% 68 | 5% | 5 | Sunrise:05:44 AM Sunset: 08:01 PM |
Moonrise:10:17 PM Moonset: 08:18 AM Moon Phase ( Waning Gibbous ) |
|
| 03 July 2026 Friday | Sunny |
13 ° C (55.4°F) |
24.9 ° C (76.9°F) |
18.7 ° C (65.6°F) |
% 64 | 4% | 5 | Sunrise:05:44 AM Sunset: 08:01 PM |
Moonrise:10:44 PM Moonset: 09:15 AM Moon Phase ( Waning Gibbous ) |
|
| 04 July 2026 Saturday | Sunny |
13.9 ° C (57°F) |
26.5 ° C (79.8°F) |
20 ° C (68°F) |
% 61 | 3% | 5 | Sunrise:05:44 AM Sunset: 08:01 PM |
Moonrise:11:09 PM Moonset: 10:11 AM Moon Phase ( Waning Gibbous ) |
|
| 05 July 2026 Sunday | Sunny |
15.1 ° C (59.1°F) |
27.5 ° C (81.5°F) |
21.1 ° C (70°F) |
% 59 | 4% | 6 | Sunrise:05:45 AM Sunset: 08:01 PM |
Moonrise:11:33 PM Moonset: 11:07 AM Moon Phase ( Last Quarter ) |
|
| 06 July 2026 Monday | Sunny |
16.6 ° C (61.9°F) |
29 ° C (84.2°F) |
22.6 ° C (72.8°F) |
% 58 | 3% | 6 | Sunrise:05:45 AM Sunset: 08:01 PM |
Moonrise:11:58 PM Moonset: 12:03 PM Moon Phase ( Last Quarter ) |
|
| 07 July 2026 Tuesday | Sunny |
18.2 ° C (64.8°F) |
31.5 ° C (88.8°F) |
24.8 ° C (76.7°F) |
% 52 | 2% | 6 | Sunrise:05:46 AM Sunset: 08:01 PM |
Moonrise:Does not rise today Moonset: 01:02 PM Moon Phase ( Last Quarter ) |
|
| 08 July 2026 Wednesday | Sunny |
19.5 ° C (67.2°F) |
29.2 ° C (84.5°F) |
24.1 ° C (75.4°F) |
% 57 | 3% | 6 | Sunrise:05:46 AM Sunset: 08:00 PM |
Moonrise:12:26 AM Moonset: 02:03 PM Moon Phase ( Waning Crescent ) |
|
| 09 July 2026 Thursday | Sunny |
18.6 ° C (65.4°F) |
29.2 ° C (84.5°F) |
23.6 ° C (74.4°F) |
% 61 | 4% | 6 | Sunrise:05:47 AM Sunset: 08:00 PM |
Moonrise:12:57 AM Moonset: 03:08 PM Moon Phase ( Waning Crescent ) |
|
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