Round Rock's 7 Day Weather Summary Sponsored by Texas Water Development Board
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)
Jun 22, 2025 - Sun 0.26 93 76 35 26.24 0.00 2.86 11.05
Jun 21, 2025 - Sat 0.27 93 76 39 23.49 0.00 8.38 8.74
Jun 20, 2025 - Fri 0.28 94 77 43 27.75 0.00 0.00 3.60
Jun 19, 2025 - Thu 0.24 94 76 44 27.38 0.00 0.00 0.61
Jun 18, 2025 - Wed 0.30 92 77 41 28.64 0.00 6.79 10.54
Jun 17, 2025 - Tue 0.29 92 72 42 29.62 0.00 0.74 11.76
Jun 16, 2025 - Mon 0.24 93 68 49 28.13 0.12 0.00 1.97
Data Summary 1.88 94 68 41 191.24 0.12 2.68 6.90  
Detailed Crop Weather Data
Date Average Temp
(f)
Dew Point
(f)
Max Dewpoint
(f)
Min Dewpoint
(f)
Wind Run
(miles/day)
Soil Temp
(f)
Jun 22, 2025 - Sun 84 71 73 68 485 81
Jun 21, 2025 - Sat 84 71 72 69 743 81
Jun 20, 2025 - Fri 85 72 74 70 510 81
Jun 19, 2025 - Thu 85 73 76 71 239 80
Jun 18, 2025 - Wed 84 70 73 68 711 80
Jun 17, 2025 - Tue 82 70 74 68 700 79
Jun 16, 2025 - Mon 80 70 75 66 240 79
Data Summary 83 71 76 66 3,628 80
Heat Units
Date Corn
(heat units)
Cotton
(heat units)
Sorghum
(heat units)
50 Degree
(heat units)
55 Degree
(heat units)
60 Degree
(heat units)
Jun 22, 2025 - Sun 31 24 29 34 29 24
Jun 21, 2025 - Sat 31 25 30 35 30 25
Jun 20, 2025 - Fri 31 26 31 36 31 26
Jun 19, 2025 - Thu 31 25 30 35 30 25
Jun 18, 2025 - Wed 31 25 30 35 30 25
Jun 17, 2025 - Tue 29 22 27 32 27 22
Jun 16, 2025 - Mon 27 20 25 30 25 20
Data Summary 211 167 202 237 202 167
Chilling Hours
Date Method 1
(Hours >= 32 & <= 45 F)
Method 2
(Hours <= 45 F)
Jun 22, 2025 - Sun 0 0
Jun 21, 2025 - Sat 0 0
Jun 20, 2025 - Fri 0 0
Jun 19, 2025 - Thu 0 0
Jun 18, 2025 - Wed 0 0
Jun 17, 2025 - Tue 0 0
Jun 16, 2025 - Mon 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 4 4
Nov 51 51
Dec 96 96
Jan 218 339
Feb 154 221
Mar 38 38
Total 561 749

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