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 31, 2025 - Mon 0.13 83 69 51 15.71 0.00 0.10 3.60
Mar 30, 2025 - Sun 0.11 81 71 64 11.88 0.00 2.81 5.06
Mar 29, 2025 - Sat 0.15 85 68 50 16.94 0.04 0.29 3.10
Mar 28, 2025 - Fri 0.08 74 66 64 7.58 0.40 0.42 1.57
Mar 27, 2025 - Thu 0.06 71 64 61 5.18 0.35 0.60 9.13
Mar 26, 2025 - Wed 0.10 77 67 61 10.39 0.00 1.04 5.56
Mar 25, 2025 - Tue 0.16 86 58 31 21.52 0.00 0.01 6.01
Data Summary 0.79 86 58 54 89.21 0.79 0.75 4.86  
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 31, 2025 - Mon 76 67 72 62 31 0
Mar 30, 2025 - Sun 75 69 71 68 86 0
Mar 29, 2025 - Sat 74 67 68 65 71 0
Mar 28, 2025 - Fri 69 61 65 56 54 0
Mar 27, 2025 - Thu 68 62 66 56 129 0
Mar 26, 2025 - Wed 72 63 66 61 71 0
Mar 25, 2025 - Tue 71 60 64 56 50 0
Data Summary 72 64 72 56 492 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 31, 2025 - Mon 26 16 21 26 21 16
Mar 30, 2025 - Sun 26 16 21 26 21 16
Mar 29, 2025 - Sat 27 17 22 27 22 17
Mar 28, 2025 - Fri 20 10 15 20 15 10
Mar 27, 2025 - Thu 17 7 12 17 12 7
Mar 26, 2025 - Wed 22 12 17 22 17 12
Mar 25, 2025 - Tue 22 12 17 22 17 12
Data Summary 160 90 125 160 125 90
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Mar 31, 2025 - Mon 0 0
Mar 30, 2025 - Sun 0 0
Mar 29, 2025 - Sat 0 0
Mar 28, 2025 - Fri 0 0
Mar 27, 2025 - Thu 0 0
Mar 26, 2025 - Wed 0 0
Mar 25, 2025 - Tue 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 20 20
Total 412 486

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