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 02, 2025 - Thu 0.16 90 64 28 25.13 0.00 0.00 3.05
Oct 01, 2025 - Wed 0.15 90 66 29 23.70 0.00 0.18 2.87
Sep 30, 2025 - Tue 0.14 88 68 27 21.21 0.00 0.00 2.08
Sep 29, 2025 - Mon 0.15 86 61 29 24.70 0.00 0.00 1.67
Sep 28, 2025 - Sun 0.14 86 61 30 23.46 0.00 0.00 2.63
Sep 27, 2025 - Sat 0.16 89 62 28 26.65 0.00 0.00 2.09
Sep 26, 2025 - Fri 0.17 88 64 25 26.90 0.00 0.00 2.96
Data Summary 1.06 90 61 28 171.76 0.00 0.03 2.48  
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 02, 2025 - Thu 77 59 64 55 21 0
Oct 01, 2025 - Wed 77 59 64 54 21 0
Sep 30, 2025 - Tue 78 58 62 53 18 0
Sep 29, 2025 - Mon 75 58 61 54 21 0
Sep 28, 2025 - Sun 74 57 61 54 18 0
Sep 27, 2025 - Sat 75 58 63 54 19 0
Sep 26, 2025 - Fri 75 58 61 54 25 0
Data Summary 75 58 64 53 143 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 02, 2025 - Thu 25 17 22 27 22 17
Oct 01, 2025 - Wed 26 18 23 28 23 18
Sep 30, 2025 - Tue 27 18 23 28 23 18
Sep 29, 2025 - Mon 23 13 18 23 18 13
Sep 28, 2025 - Sun 23 14 19 24 19 14
Sep 27, 2025 - Sat 24 16 21 26 21 16
Sep 26, 2025 - Fri 25 16 21 26 21 16
Data Summary 173 112 147 182 147 112
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Oct 02, 2025 - Thu 0 0
Oct 01, 2025 - Wed 0 0
Sep 30, 2025 - Tue 0 0
Sep 29, 2025 - Mon 0 0
Sep 28, 2025 - Sun 0 0
Sep 27, 2025 - Sat 0 0
Sep 26, 2025 - Fri 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