Houston's 7 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)
Mar 19, 2025 - Wed 0.19 81 59 8 18.65 0.00 3.55 4.69
Mar 18, 2025 - Tue 0.16 76 58 46 18.40 0.00 0.50 11.16
Mar 17, 2025 - Mon 0.16 78 44 21 21.75 0.00 0.00 7.49
Mar 16, 2025 - Sun 0.13 75 47 13 21.84 0.00 0.20 2.85
Mar 15, 2025 - Sat 0.18 81 65 11 19.67 0.00 0.45 7.43
Mar 14, 2025 - Fri 0.13 82 68 54 11.60 0.00 4.44 6.54
Mar 13, 2025 - Thu 0.17 87 66 14 19.54 0.00 0.46 4.00
Data Summary 1.12 87 44 23 131.45 0.00 1.37 6.31  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Mar 19, 2025 - Wed 71 50 61 33 111 0
Mar 18, 2025 - Tue 68 54 59 50 132 0
Mar 17, 2025 - Mon 63 47 52 42 78 0
Mar 16, 2025 - Sun 63 38 45 32 37 0
Mar 15, 2025 - Sat 73 51 67 38 89 0
Mar 14, 2025 - Fri 73 65 67 63 140 0
Mar 13, 2025 - Thu 74 61 64 55 71 0
Data Summary 69 52 67 32 658 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)
Mar 19, 2025 - Wed 20 10 15 20 15 10
Mar 18, 2025 - Tue 17 7 12 17 12 7
Mar 17, 2025 - Mon 11 1 6 11 6 1
Mar 16, 2025 - Sun 11 1 6 11 6 1
Mar 15, 2025 - Sat 23 13 18 23 18 13
Mar 14, 2025 - Fri 25 15 20 25 20 15
Mar 13, 2025 - Thu 26 17 22 27 22 17
Data Summary 133 64 99 134 99 64
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Mar 19, 2025 - Wed 0 0
Mar 18, 2025 - Tue 0 0
Mar 17, 2025 - Mon 1 1
Mar 16, 2025 - Sun 0 0
Mar 15, 2025 - Sat 0 0
Mar 14, 2025 - Fri 0 0
Mar 13, 2025 - Thu 0 0
Data Summary 1 1
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 103 122
Mar 13 13
Total 407 481

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