Southlake's 7 Day Weather Summary Sponsored by Tarrant Regional Water District
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 08, 2025 - Tue 0.30 95 74 43 22.89 0.00 12.53 15.70
Jul 07, 2025 - Mon 0.23 91 74 45 17.86 0.00 0.87 17.22
Jul 06, 2025 - Sun 0.18 87 74 59 10.72 0.00 7.97 16.83
Jul 05, 2025 - Sat 0.15 85 75 64 10.26 0.01 4.84 13.61
Jul 04, 2025 - Fri 0.21 90 76 52 13.66 0.11 9.44 11.16
Jul 03, 2025 - Thu 0.19 88 77 46 10.58 0.00 0.97 15.73
Jul 02, 2025 - Wed 0.16 91 75 49 13.07 0.16 1.87 11.18
Data Summary 1.42 95 74 51 99.04 0.28 5.50 14.49  
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 08, 2025 - Tue 83 72 75 66 280 0
Jul 07, 2025 - Mon 82 71 73 70 245 0
Jul 06, 2025 - Sun 79 70 72 66 273 0
Jul 05, 2025 - Sat 79 72 74 68 247 0
Jul 04, 2025 - Fri 80 72 74 69 277 0
Jul 03, 2025 - Thu 81 70 73 66 219 0
Jul 02, 2025 - Wed 82 72 74 71 117 0
Data Summary 80 71 75 66 1,659 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 08, 2025 - Tue 30 24 29 34 29 24
Jul 07, 2025 - Mon 30 22 27 32 27 22
Jul 06, 2025 - Sun 30 21 26 31 26 21
Jul 05, 2025 - Sat 30 20 25 30 25 20
Jul 04, 2025 - Fri 31 23 28 33 28 23
Jul 03, 2025 - Thu 31 22 27 32 27 22
Jul 02, 2025 - Wed 30 23 28 33 28 23
Data Summary 212 155 190 225 190 155
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jul 08, 2025 - Tue 0 0
Jul 07, 2025 - Mon 0 0
Jul 06, 2025 - Sun 0 0
Jul 05, 2025 - Sat 0 0
Jul 04, 2025 - Fri 0 0
Jul 03, 2025 - Thu 0 0
Jul 02, 2025 - Wed 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 8 8
Nov 0 0
Total 8 8

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