The official National Weather Service forecast for Plant City — 28.0189°N, 82.1147°W, 3.8 miles from I-4. Forecasts here are written by NWS TBW, this county’s forecast office.
| Hillsborough County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 71 | 75 | 78 | 83 | 88 | 91 | 91 | 91 | 90 | 85 | 78 | 74 | 83 |
| Avg low °F | 50 | 53 | 57 | 62 | 68 | 73 | 74 | 75 | 73 | 66 | 58 | 54 | 64 |
| Precip in | 2.6 | 2.3 | 2.7 | 2.5 | 3.3 | 8.4 | 8.4 | 9.1 | 7.0 | 2.7 | 1.9 | 2.6 | 53.5 |
1996–2025 normals for Hillsborough County — the climate division Plant City sits in. All-time county record high 98.6°F (2024-05-31); record low 19.2°F (1962-12-13). Source: NOAA / National Weather Service.