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Weather Tomorrow

Allentown farming weather

Soil, irrigation, spray-window and crop-stress guidance for Pennsylvania, United States.

Field summary

Soil temperatures today read surface 19.2 °C, 6 cm 21.3 °C, 18 cm 22.7 °C, 54 cm 19.6 °C. Soil moisture sits at 0-1 cm at 0.16 m³/m³, 3-9 cm at 0.17 m³/m³, 27-81 cm at 0.2 m³/m³. For maize, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 32 mm against only 8 mm of expected rain — a 24 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. Projected growing degree days over the next week: maize 84, wheat 123.

Farming weather

Soil temperatures today read surface 19.2 °C, 6 cm 21.3 °C, 18 cm 22.7 °C, 54 cm 19.6 °C. Soil moisture sits at 0-1 cm at 0.16 m³/m³, 3-9 cm at 0.17 m³/m³, 27-81 cm at 0.2 m³/m³. For maize, the root-zone reading is below the ideal 0.2-0.35 m³/m³ band. Reference evapotranspiration totals 32 mm against only 8 mm of expected rain — a 24 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. Projected growing degree days over the next week: maize 84, wheat 123.

Topsoil moisture
0.17 m³/m³
Soil temp
63°F
ET₀ today
6.11 mm
Spray window
~5:00
Rain (next 7d)
0.3 in
Wind
3 mph
Humidity
60%

Full farming outlook for Allentown

Next 3 days

Today brings overcast with a high of 29 °C and a low of 14 °C. Expect light drizzle tomorrow, between 18 °C and 31 °C. Rain chance peaks at 84% with around 0.4 mm possible. Gusts may reach 63 km/h from the SSE. Expect light drizzle Tuesday, between 17 °C and 25 °C. Rain chance peaks at 74% with around 1.8 mm possible. Gusts may reach 44 km/h from the NNW.

Today

Sun, Jun 21

Overcast

84°57°

Rain chance
1%
Precip
0 in
Max wind
10 mph

Tomorrow

Mon, Jun 22

Light drizzle

88°64°

Rain chance
84%
Precip
0 in
Max wind
15 mph

Tuesday

Tue, Jun 23

Light drizzle

77°63°

Rain chance
74%
Precip
0.1 in
Max wind
11 mph

Next 48 hours

  1. 12 AM65°0%3 mph
  2. 1 AM63°0%2 mph
  3. 2 AM63°0%3 mph
  4. 3 AM62°1%3 mph
  5. 4 AM60°0%3 mph
  6. 5 AM59°0%2 mph
  7. 6 AM57°0%2 mph
  8. 7 AM61°0%3 mph
  9. 8 AM67°0%3 mph
  10. 9 AM71°0%5 mph
  11. 10 AM76°0%6 mph
  12. 11 AM79°0%9 mph
  13. 12 PM81°0%10 mph
  14. 1 PM82°0%10 mph
  15. 2 PM82°1%9 mph
  16. 3 PM83°0%8 mph
  17. 4 PM84°0%8 mph
  18. 5 PM84°0%7 mph
  19. 6 PM84°0%7 mph
  20. 7 PM83°0%5 mph
  21. 8 PM80°0%3 mph
  22. 9 PM76°0%4 mph
  23. 10 PM72°0%1 mph
  24. 11 PM71°0%1 mph
  25. 12 AM69°0%2 mph
  26. 1 AM66°0%5 mph
  27. 2 AM65°0%4 mph
  28. 3 AM65°1%1 mph
  29. 4 AM65°2%3 mph
  30. 5 AM64°4%3 mph
  31. 6 AM64°4%4 mph
  32. 7 AM67°6%5 mph
  33. 8 AM70°9%6 mph
  34. 9 AM72°13%6 mph
  35. 10 AM73°13%6 mph
  36. 11 AM75°18%7 mph
  37. 12 PM78°20%10 mph
  38. 1 PM83°21%10 mph
  39. 2 PM88°29%14 mph
  40. 3 PM78°45%10 mph
  41. 4 PM83°53%4 mph
  42. 5 PM85°40%14 mph
  43. 6 PM85°36%13 mph
  44. 7 PM83°84%15 mph
  45. 8 PM80°84%15 mph
  46. 9 PM76°74%13 mph
  47. 10 PM75°74%12 mph
  48. 11 PM74°74%15 mph

Sun & UV

Sunrise
5:31 AM
Sunset
8:36 PM
Daylight
15h 05m
Max UV
7.35 High