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      Elev 4671 ft, 9.532 °S 77.072 °W

      San Marcos, PE

      San Marcos Station37°
      Wed, Oct 21, 2026
      Wednesday
      Wed 10/21
      High 51°f
      79% Precip. / 0.23 in
      Rain showers in the morning with thunderstorms developing in the afternoon. High 51F. Winds ENE at 5 to 10 mph. Chance of rain 80%.
      Wednesday night
      Wed 10/21
      Low 36°f
      70% Precip. / 0.11 in
      Thunderstorms in the evening, then variable clouds overnight with still a chance of showers. Low 36F. Winds light and variable. Chance of rain 70%.
      Sunrise 5:42 AM
      Sunset 6:03 PM
      Moonrise 2:22 PM
      Moonset 2:15 AM
      Waxing Gibbous, 78% visible
      Hourly Forecast
      5:42AM
      Sunrise
      6:03PM
      Sunset
      12AM
      64%
      38°
      1AM
      54%
      38°
      2AM
      52%
      37°
      3AM
      49%
      37°
      4AM
      36%
      37°
      5AM
      34%
      37°
      6AM
      33%
      37°
      7AM
      31%
      39°
      8AM
      33%
      41°
      9AM
      33%
      44°
      10AM
      43%
      46°
      11AM
      42%
      48°
      12PM
      42%
      50°
      1PM
      74%
      50°
      2PM
      78%
      50°
      3PM
      79%
      49°
      4PM
      79%
      47°
      5PM
      78%
      45°
      6PM
      78%
      43°
      7PM
      71%
      41°
      8PM
      70%
      40°
      9PM
      54%
      39°
      10PM
      45%
      39°
      11PM
      44%
      39°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Rain
      		 38°F 35°F 64% 0.02in 100% 36°F 91% 5 mph SSE 30.01in
      1:00 am
      Showers
      		 38°F 34°F 54% 0.02in 93% 36°F 93% 4 mph SSE 30.01in
      2:00 am
      Showers
      		 37°F 34°F 52% 0.02in 93% 36°F 94% 4 mph S 30.01in
      3:00 am
      Showers
      		 37°F 33°F 49% 0.01in 93% 35°F 94% 4 mph S 30in
      4:00 am
      Showers
      		 37°F 33°F 36% 0.01in 93% 35°F 94% 4 mph S 30in
      5:00 am
      Few Showers
      		 37°F 33°F 34% 0.01in 92% 35°F 94% 4 mph S 30.02in
      6:00 am
      Few Showers
      		 37°F 33°F 33% 0.01in 90% 35°F 94% 4 mph SSE 30.04in
      7:00 am
      Few Showers
      		 39°F 35°F 31% 0in 89% 36°F 90% 4 mph SSE 30.05in
      8:00 am
      Few Showers
      		 41°F 38°F 33% 0.01in 86% 36°F 82% 5 mph E 30.04in
      9:00 am
      Few Showers
      		 44°F 40°F 33% 0.01in 83% 36°F 74% 6 mph ENE 30.03in
      10:00 am
      Showers
      		 46°F 43°F 43% 0.01in 80% 36°F 66% 8 mph NE 30.01in
      11:00 am
      Showers
      		 48°F 45°F 42% 0.01in 78% 35°F 60% 9 mph NE 29.97in
      12:00 pm
      Showers
      		 50°F 46°F 42% 0.01in 77% 35°F 56% 9 mph NE 29.93in
      1:00 pm
      Thunderstorms
      		 50°F 47°F 74% 0.03in 77% 35°F 55% 10 mph NE 29.9in
      2:00 pm
      Thunderstorms
      		 50°F 46°F 78% 0.03in 77% 36°F 57% 10 mph NE 29.89in
      3:00 pm
      Thunderstorms
      		 49°F 45°F 79% 0.03in 78% 37°F 63% 9 mph ENE 29.89in
      4:00 pm
      Thunderstorms
      		 47°F 43°F 79% 0.03in 80% 38°F 70% 9 mph ENE 29.9in
      5:00 pm
      Thunderstorms
      		 45°F 41°F 78% 0.03in 84% 37°F 74% 7 mph E 29.92in
      6:00 pm
      Thunderstorms
      		 43°F 40°F 78% 0.03in 90% 37°F 79% 5 mph ESE 29.95in
      7:00 pm
      Thunderstorms
      		 41°F 38°F 71% 0.02in 92% 37°F 84% 5 mph SE 29.98in
      8:00 pm
      Light Rain
      		 40°F 37°F 70% 0.02in 94% 36°F 87% 5 mph SSE 30in
      9:00 pm
      Showers
      		 39°F 36°F 54% 0.02in 94% 36°F 88% 5 mph SSE 30.02in
      10:00 pm
      Showers
      		 39°F 35°F 45% 0.01in 94% 36°F 89% 5 mph S 30.04in
      11:00 pm
      Showers
      		 39°F 35°F 44% 0.01in 94% 36°F 90% 5 mph SSE 30.05in
      Additional Conditions
      1. Pressure 30.01 in
      2. Visibility 4 miles
      3. Clouds Mostly Cloudy
      4. Dew Point28°F
      5. Humidity 88%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       SPHZ Station History
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 55°F -°F -°F
      4. Low 31°F -°F -°F
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 55°F -°F -°F
      4. Low 34°F -°F -°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 5:44 AM 6:03 PM
      3. Civil Twilight 5:23 AM 6:24 PM
      4. Nautical Twilight 4:58 AM 6:49PM
      5. Astronomical Twilight 4:33 AM 7:14 PM
      1. Length of Visible Light 13h 1m
      2. Length of Day 12h 19m
      3. Tomorrow will be 31 seconds longer
      1. Moon 10:12 AM 11:18 PM
      2. Waxing Crescent31% of the Moon is Illuminated
      Oct 18
      Waxing Half First Qtr
      Oct 25
      Full Moon
      Nov 1
      Waning Half Last Qtr
      Nov 9
      New Moon
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