10-day forecast · San Marcos
Day-by-day outlook up to 14 days: highs, lows, precipitation totals, wind and UV. Planning further ahead? Open the 30-day outlook →
Sun · Today
Partly cloudy
85°
67°
4%
⌄
Wind 13 mph SW
Gusts 24 mph
UV index 10 – Very high
Precip chance 4%
Sunrise 6:21 AM
Sunset 7:16 PM
Mon · Tomorrow
Sunny
81°
64°
4%
⌄
Wind 13 mph SW
Gusts 24 mph
UV index 10 – Very high
Precip chance 4%
Sunrise 6:22 AM
Sunset 7:15 PM
Tuesday 1/9
Sunny
81°
64°
5%
⌄
Wind 11 mph W
Gusts 21 mph
UV index 10 – Very high
Precip chance 5%
Sunrise 6:23 AM
Sunset 7:14 PM
Wednesday 2/9
Mostly cloudy
85°
70°
8%
⌄
Wind 13 mph W
Gusts 22 mph
UV index 9 – Very high
Precip chance 8%
Sunrise 6:23 AM
Sunset 7:12 PM
Thursday 3/9
Partly cloudy
81°
65°
8%
⌄
Wind 7 mph W
Gusts 17 mph
UV index 7 – High
Precip chance 8%
Sunrise 6:24 AM
Sunset 7:11 PM
Friday 4/9
Mostly cloudy
85°
67°
6%
⌄
Wind 13 mph SW
Gusts 22 mph
UV index 7 – High
Precip chance 6%
Sunrise 6:25 AM
Sunset 7:10 PM
Saturday 5/9
Sunny
88°
68°
2%
⌄
Wind 13 mph W
Gusts 20 mph
UV index 8 – Very high
Precip chance 2%
Sunrise 6:25 AM
Sunset 7:08 PM
Sunday 6/9
Sunny
87°
72°
4%
⌄
Wind 11 mph SW
Gusts 20 mph
UV index 8 – Very high
Precip chance 4%
Sunrise 6:26 AM
Sunset 7:07 PM
Monday 7/9
Mostly cloudy
90°
72°
17%
⌄
Wind 14 mph W
Gusts 25 mph
UV index 7 – High
Precip chance 17%
Sunrise 6:27 AM
Sunset 7:06 PM
Tuesday 8/9
Showers
79°
68°
0.08 in
⌄
Wind 25 mph S
Gusts 37 mph
UV index 6 – High
Precip chance 71% · 0.08 in
Sunrise 6:27 AM
Sunset 7:04 PM
Wednesday 9/9
Showers
70°
64°
0.13 in
⌄
Wind 14 mph S
Gusts 22 mph
UV index 5 – Moderate
Precip chance 81% · 0.13 in
Sunrise 6:28 AM
Sunset 7:03 PM
Thursday 10/9
Sunny
70°
62°
11%
⌄
Wind 13 mph W
Gusts 21 mph
UV index 6 – High
Precip chance 11%
Sunrise 6:29 AM
Sunset 7:02 PM
Friday 11/9
Sunny
78°
61°
5%
⌄
Wind 13 mph W
Gusts 21 mph
UV index 7 – High
Precip chance 5%
Sunrise 6:29 AM
Sunset 7:00 PM
Saturday 12/9
Sunny
83°
65°
4%
⌄
Wind 12 mph W
Gusts 19 mph
UV index 7 – High
Precip chance 4%
Sunrise 6:30 AM
Sunset 6:59 PM
10-day outlook for San Marcos
Over the next ten days San Marcos peaks at 90° on Monday and bottoms out at 64° on Monday. Day-to-day swings stay modest — no big pattern change inside the period. Add it up and about 0.09 in of precipitation falls over the period, spread across 1 unsettled day, with Tuesday the most likely (71%).