Irving South's 7 Day Weather Summary Sponsored by City of Irving
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)
Oct 13, 2025 - Mon 0.15 90 68 28 23.04 0.00 3.37 2.26
Oct 12, 2025 - Sun 0.15 91 65 25 23.54 0.00 0.03 2.82
Oct 11, 2025 - Sat 0.13 90 59 23 24.14 0.00 0.00 1.76
Oct 10, 2025 - Fri 0.14 87 65 28 24.30 0.00 0.10 1.86
Oct 09, 2025 - Thu 0.16 87 69 38 23.58 0.00 0.94 3.34
Oct 08, 2025 - Wed 0.16 88 69 39 20.93 0.00 2.84 3.36
Oct 07, 2025 - Tue 0.14 89 68 35 19.08 0.00 0.00 5.48
Data Summary 1.04 91 59 30 158.60 0.00 1.04 2.98  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Oct 13, 2025 - Mon 78 58 64 55 41 0
Oct 12, 2025 - Sun 77 57 64 52 39 0
Oct 11, 2025 - Sat 73 56 63 48 16 0
Oct 10, 2025 - Fri 74 55 61 49 21 0
Oct 09, 2025 - Thu 77 62 65 58 40 0
Oct 08, 2025 - Wed 79 63 66 59 50 0
Oct 07, 2025 - Tue 79 63 67 58 40 0
Data Summary 76 59 67 48 247 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)
Oct 13, 2025 - Mon 27 19 24 29 24 19
Oct 12, 2025 - Sun 25 18 23 28 23 18
Oct 11, 2025 - Sat 22 14 19 24 19 14
Oct 10, 2025 - Fri 25 16 21 26 21 16
Oct 09, 2025 - Thu 27 18 23 28 23 18
Oct 08, 2025 - Wed 27 18 23 28 23 18
Oct 07, 2025 - Tue 27 18 23 28 23 18
Data Summary 180 121 156 191 156 121
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Oct 13, 2025 - Mon 0 0
Oct 12, 2025 - Sun 0 0
Oct 11, 2025 - Sat 0 0
Oct 10, 2025 - Fri 0 0
Oct 09, 2025 - Thu 0 0
Oct 08, 2025 - Wed 0 0
Oct 07, 2025 - Tue 0 0
Data Summary 0 0
Chilling Hours for the 2025-2026 Season
October 1, 2025 thru March 31, 2026
Month Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Oct 0 0
Total 0 0

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