Houston's 5 Day Weather Summary Sponsored by Harris Galveston Subsidence 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 13, 2025 - Sun 0.16 92 77 49 17.47 0.00 0.18 2.65
Jul 12, 2025 - Sat 0.22 92 77 46 25.11 0.04 0.00 4.95
Jul 11, 2025 - Fri 0.13 89 76 53 13.31 0.37 0.02 0.99
Jul 10, 2025 - Thu 0.19 92 75 42 21.61 0.00 0.01 2.22
Jul 09, 2025 - Wed 0.15 89 73 54 18.22 0.10 0.00 0.23
Data Summary 0.84 92 73 48 95.71 0.51 0.04 2.21  
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 84 73 74 72 35 0
Jul 12, 2025 - Sat 84 73 75 70 61 0
Jul 11, 2025 - Fri 81 72 75 67 30 0
Jul 10, 2025 - Thu 83 71 74 70 29 0
Jul 09, 2025 - Wed 79 71 73 66 13 0
Data Summary 82 72 75 66 168 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 31 24 29 34 29 24
Jul 12, 2025 - Sat 31 24 29 34 29 24
Jul 11, 2025 - Fri 31 22 27 32 27 22
Jul 10, 2025 - Thu 30 24 29 34 29 24
Jul 09, 2025 - Wed 29 21 26 31 26 21
Data Summary 152 115 140 165 140 115
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
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 22 22
Dec 49 49
Jan 220 275
Feb 101 120
Mar 19 19
Total 411 485

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