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Weather Tomorrow

Shūnan farming weather

Soil, irrigation, spray-window and crop-stress guidance for Yamaguchi, Japan.

Field summary

Soil temperatures today read surface 18.6 °C, 6 cm 21.3 °C, 18 cm 22.6 °C, 54 cm 20.7 °C. Soil moisture sits at 0-1 cm at 0.34 m³/m³, 3-9 cm at 0.35 m³/m³, 27-81 cm at 0.39 m³/m³. For wheat, the root-zone reading is above the ideal 0.2-0.35 m³/m³ band. Forecast rain (49 mm) roughly covers crop water demand (ET0 22 mm), so irrigation can likely be paused. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 113, maize 74.

Farming weather

Soil temperatures today read surface 18.6 °C, 6 cm 21.3 °C, 18 cm 22.6 °C, 54 cm 20.7 °C. Soil moisture sits at 0-1 cm at 0.34 m³/m³, 3-9 cm at 0.35 m³/m³, 27-81 cm at 0.39 m³/m³. For wheat, the root-zone reading is above the ideal 0.2-0.35 m³/m³ band. Forecast rain (49 mm) roughly covers crop water demand (ET0 22 mm), so irrigation can likely be paused. A suitable spraying window opens around 06:00 on 2026-06-21, with winds at or below 15 km/h and no rain expected. Projected growing degree days over the next week: wheat 113, maize 74.

Topsoil moisture
0.38 m³/m³
Soil temp
22°C
ET₀ today
2.57 mm
Spray window
~5:00
Rain (next 7d)
49.2 mm
Wind
5 km/h
Humidity
96%

Full farming outlook for Shūnan

Next 3 days

Today brings overcast with a high of 23 °C and a low of 20 °C. Rain chance peaks at 98%. Gusts may reach 44 km/h from the WNW. Tomorrow brings light drizzle with a high of 23 °C and a low of 18 °C. Rain chance peaks at 89% with around 0.8 mm possible. Tuesday brings overcast with a high of 24 °C and a low of 17 °C. Rain chance peaks at 65%.

Today

Sun, Jun 21

Overcast

23°20°

Rain chance
98%
Precip
0 mm
Max wind
9 km/h

Tomorrow

Mon, Jun 22

Light drizzle

23°18°

Rain chance
89%
Precip
0.8 mm
Max wind
7 km/h

Tuesday

Tue, Jun 23

Overcast

24°17°

Rain chance
65%
Precip
0 mm
Max wind
7 km/h

Next 48 hours

  1. 12 AM22°98%9 km/h
  2. 1 AM22°90%9 km/h
  3. 2 AM22°78%8 km/h
  4. 3 AM21°63%7 km/h
  5. 4 AM21°41%7 km/h
  6. 5 AM21°16%7 km/h
  7. 6 AM21°0%7 km/h
  8. 7 AM21°3%8 km/h
  9. 8 AM21°16%8 km/h
  10. 9 AM21°25%7 km/h
  11. 10 AM21°25%8 km/h
  12. 11 AM22°21%8 km/h
  13. 12 PM23°16%8 km/h
  14. 1 PM23°11%9 km/h
  15. 2 PM23°4%9 km/h
  16. 3 PM22°0%7 km/h
  17. 4 PM22°0%7 km/h
  18. 5 PM22°0%8 km/h
  19. 6 PM22°0%7 km/h
  20. 7 PM21°0%7 km/h
  21. 8 PM20°0%6 km/h
  22. 9 PM20°0%4 km/h
  23. 10 PM20°0%4 km/h
  24. 11 PM20°0%5 km/h
  25. 12 AM20°0%5 km/h
  26. 1 AM20°1%5 km/h
  27. 2 AM20°2%3 km/h
  28. 3 AM20°2%2 km/h
  29. 4 AM19°1%3 km/h
  30. 5 AM19°0%4 km/h
  31. 6 AM19°0%4 km/h
  32. 7 AM21°2%4 km/h
  33. 8 AM22°5%4 km/h
  34. 9 AM23°8%5 km/h
  35. 10 AM23°11%6 km/h
  36. 11 AM23°14%7 km/h
  37. 12 PM23°18%6 km/h
  38. 1 PM23°24%6 km/h
  39. 2 PM21°31%5 km/h
  40. 3 PM21°41%5 km/h
  41. 4 PM21°56%5 km/h
  42. 5 PM20°74%4 km/h
  43. 6 PM20°86%4 km/h
  44. 7 PM19°89%4 km/h
  45. 8 PM18°88%4 km/h
  46. 9 PM18°84%5 km/h
  47. 10 PM18°79%4 km/h
  48. 11 PM18°73%4 km/h

Sun & UV

Sunrise
5:01 AM
Sunset
7:27 PM
Daylight
14h 26m
Max UV
7.5 High