San Antonio North's 7 Day Weather Summary Sponsored by San Antonio Water System
Date ETo
(in)
Max Temp
(f)
Min Temp
(f)
Min RH
(%)
Solar Rad.
(MJ/m2)
Rainfall
(in)
Wind 4am
(mph)
Wind 4pm
(mph)
Battery
(v)
Jul 13, 2025 - Sun 0.14 86 70 54 11.23 0.33 6.86 1.33
Jul 12, 2025 - Sat 0.26 91 76 40 21.06 0.00 7.72 7.67
Jul 11, 2025 - Fri 0.24 88 75 43 19.46 0.00 6.96 7.90
Jul 10, 2025 - Thu 0.27 93 73 30 24.83 0.00 2.71 8.87
Jul 09, 2025 - Wed 0.23 90 76 40 21.78 0.00 2.45 5.05
Jul 08, 2025 - Tue 0.25 91 75 34 23.67 0.00 2.20 4.76
Jul 07, 2025 - Mon 0.19 89 74 43 18.87 0.01 0.74 5.15
Data Summary 1.56 93 70 40 140.90 0.34 4.23 5.82  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Jul 13, 2025 - Sun 79 68 71 63 114 0
Jul 12, 2025 - Sat 83 69 71 66 184 0
Jul 11, 2025 - Fri 81 68 70 65 193 0
Jul 10, 2025 - Thu 82 66 68 63 141 0
Jul 09, 2025 - Wed 81 67 70 64 102 0
Jul 08, 2025 - Tue 81 68 71 61 121 0
Jul 07, 2025 - Mon 80 69 73 66 77 0
Data Summary 81 67 73 61 932 0
Heat Units
Date Corn
(heat units)
Cotton
(heat units)
Sorghum
(heat units)
50 Degree
(heat units)
55 Degree
(heat units)
60 Degree
(heat units)
Jul 13, 2025 - Sun 28 18 23 28 23 18
Jul 12, 2025 - Sat 31 24 29 34 29 24
Jul 11, 2025 - Fri 30 22 27 32 27 22
Jul 10, 2025 - Thu 29 23 28 33 28 23
Jul 09, 2025 - Wed 31 23 28 33 28 23
Jul 08, 2025 - Tue 30 23 28 33 28 23
Jul 07, 2025 - Mon 30 22 27 32 27 22
Data Summary 209 155 190 225 190 155
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 13, 2025 - Sun 0 0
Jul 12, 2025 - Sat 0 0
Jul 11, 2025 - Fri 0 0
Jul 10, 2025 - Thu 0 0
Jul 09, 2025 - Wed 0 0
Jul 08, 2025 - Tue 0 0
Jul 07, 2025 - Mon 0 0
Data Summary 0 0
Chilling Hours for the 2024-2025 Season
October 1, 2024 thru March 31, 2025
Month Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Oct 0 0
Nov 20 20
Dec 48 48
Jan 210 284
Feb 111 164
Mar 13 13
Total 402 529

Calculators

Landscape
Crop
Landscape Watering Calculator
1.) ETo (pet)
2.) Plant Coefficient
3.) Adjustment Factor
4.) Effective Rainfall
5.)
Precipitation Rate
Total Run Time
Irrigations/Week
Run Time/Irrigation
Crop Watering Calculator
1.) ETo value from weather data
2.) Select a crop coefficient
FAO Coefficients
Or
Texas High Plains Coefficients
3.) Select a crop growth stage
4.) Crop coefficient from growth stage
5.) Enter your system efficiency
6.) Effective Rainfall
7.)
Precipitation Rate
Total Run Time
Irrigations/Week
Run Time/Irrigation