Point Forecast: San Marcos TX
 29.9N 97.91W (Elev. 640 ft)
Last Update: 9:44 pm CDT Jul 15, 2025
Tabular Forecast
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Weather ElementsWeather/PrecipitationFire Weather
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)
Rain
Thunder
Fog
Mixing Height  
Trans. Wind  
20ft Wind  

48-Hour Period Starting:       Back 2 Days  

Date07/1507/16
Hour (CDT)222300010203040506070809101112131415161718192021
Temperature (°F)818079787777767676767778828588909494949593929084
Dewpoint (°F)737374747474747474747676767675747372717070707070
Heat Index (°F)8684797877777676767677788994989910310310210299989588
Surface Wind (mph)111098886666789101010101010111111109
Wind DirSSESSESSESSSSSSSSSSSSSSSSSSESSESSESSESSE
Gust2021212222222222212018
Sky Cover (%)1628405061807975788082787045259715182830102223
Precipitation Potential (%)555000000000000000000000
Relative Humidity (%)777985889090949494939792827566605249474447495363
Rain------------------------------------------------
Thunder------------------------------------------------

Date07/17
Hour (CDT)222300010203040506070809101112131415161718192021
Temperature (°F)828078777675747272727578828588919394949492908784
Dewpoint (°F)707172737373737272727273737271706969696969697070
Heat Index (°F)86837877767575788791949798991009998959288
Surface Wind (mph)987665553335667777777776
Wind DirSSESSESSSSSSSSSSSSSSSSSESSESSESSESSESSESSE
Gust
Sky Cover (%)232527293439444647494438333333333741454034293642
Precipitation Potential (%)000000000000000000000000
Relative Humidity (%)67748188919598100100999184746557514644444547505763
Rain------------------------------------------------
Thunder------------------------------------------------

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