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Weather Tomorrow

Heroica Guaymas farming weather

Soil, irrigation, spray-window and crop-stress guidance for Sonora, Mexico.

Field summary

Soil temperatures today read surface 27.2 °C, 6 cm 32.5 °C, 18 cm 36.3 °C, 54 cm 33.7 °C. Soil moisture sits at 0-1 cm at 0.05 m³/m³, 3-9 cm at 0.12 m³/m³, 27-81 cm at 0.25 m³/m³. For wheat, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 55 mm against only 0 mm of expected rain — a 55 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Heat stress is likely for wheat with highs reaching 38 °C (threshold 32 °C). Heat stress is likely for maize with highs reaching 38 °C (threshold 35 °C). Projected growing degree days over the next week: wheat 190, maize 151.

Farming weather

Soil temperatures today read surface 27.2 °C, 6 cm 32.5 °C, 18 cm 36.3 °C, 54 cm 33.7 °C. Soil moisture sits at 0-1 cm at 0.05 m³/m³, 3-9 cm at 0.12 m³/m³, 27-81 cm at 0.25 m³/m³. For wheat, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 55 mm against only 0 mm of expected rain — a 55 mm deficit, so irrigation will be needed this week. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Heat stress is likely for wheat with highs reaching 38 °C (threshold 32 °C). Heat stress is likely for maize with highs reaching 38 °C (threshold 35 °C). Projected growing degree days over the next week: wheat 190, maize 151.

Topsoil moisture
0.047 m³/m³
Soil temp
27°C
ET₀ today
8.22 mm
Spray window
~5:00
Rain (next 7d)
0 mm
Wind
5 km/h
Humidity
49%

Full farming outlook for Heroica Guaymas

Next 3 days

Expect clear sky today, between 26 °C and 36 °C. Expect thunderstorm tomorrow, between 26 °C and 33 °C. Tuesday brings overcast with a high of 34 °C and a low of 29 °C.

Today

Sun, Jun 21

Clear sky

36°26°

Rain chance
1%
Precip
0 mm
Max wind
19 km/h

Tomorrow

Mon, Jun 22

Thunderstorm

33°26°

Rain chance
1%
Precip
0 mm
Max wind
21 km/h

Tuesday

Tue, Jun 23

Overcast

34°29°

Rain chance
2%
Precip
0 mm
Max wind
24 km/h

Next 48 hours

  1. 12 AM28°0%12 km/h
  2. 1 AM28°0%9 km/h
  3. 2 AM29°1%8 km/h
  4. 3 AM28°0%9 km/h
  5. 4 AM28°0%7 km/h
  6. 5 AM26°0%7 km/h
  7. 6 AM26°0%6 km/h
  8. 7 AM29°0%3 km/h
  9. 8 AM32°0%4 km/h
  10. 9 AM33°0%9 km/h
  11. 10 AM34°0%12 km/h
  12. 11 AM35°0%14 km/h
  13. 12 PM35°0%15 km/h
  14. 1 PM36°0%16 km/h
  15. 2 PM36°0%18 km/h
  16. 3 PM35°0%19 km/h
  17. 4 PM35°0%17 km/h
  18. 5 PM33°0%18 km/h
  19. 6 PM32°0%18 km/h
  20. 7 PM30°0%14 km/h
  21. 8 PM29°0%8 km/h
  22. 9 PM28°0%8 km/h
  23. 10 PM27°1%8 km/h
  24. 11 PM27°1%7 km/h
  25. 12 AM26°1%5 km/h
  26. 1 AM26°1%7 km/h
  27. 2 AM26°1%9 km/h
  28. 3 AM26°1%11 km/h
  29. 4 AM27°1%14 km/h
  30. 5 AM27°1%15 km/h
  31. 6 AM27°1%18 km/h
  32. 7 AM28°1%21 km/h
  33. 8 AM29°1%21 km/h
  34. 9 AM30°0%20 km/h
  35. 10 AM32°0%18 km/h
  36. 11 AM33°0%18 km/h
  37. 12 PM33°0%19 km/h
  38. 1 PM33°0%20 km/h
  39. 2 PM33°0%20 km/h
  40. 3 PM33°0%18 km/h
  41. 4 PM32°0%17 km/h
  42. 5 PM31°0%16 km/h
  43. 6 PM30°0%16 km/h
  44. 7 PM29°0%17 km/h
  45. 8 PM29°0%13 km/h
  46. 9 PM29°0%10 km/h
  47. 10 PM29°0%10 km/h
  48. 11 PM29°0%15 km/h

Sun & UV

Sunrise
5:28 AM
Sunset
7:22 PM
Daylight
13h 55m
Max UV
9 Very high