The official National Weather Service forecast for St. Petersburg — 27.7709°N, 82.6793°W, 1 miles from I-275. Forecasts here are written by NWS TBW, this county’s forecast office.
| Pinellas County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 70 | 73 | 77 | 82 | 87 | 90 | 91 | 91 | 89 | 85 | 78 | 73 | 82 |
| Avg low °F | 51 | 55 | 59 | 64 | 70 | 75 | 76 | 76 | 75 | 68 | 60 | 56 | 65 |
| Precip in | 2.6 | 2.4 | 2.7 | 2.4 | 2.7 | 7.6 | 8.5 | 9.4 | 6.9 | 2.6 | 1.8 | 2.7 | 52.3 |
1996–2025 normals for Pinellas County — the climate division St. Petersburg sits in. All-time county record high 98.1°F (2025-07-28); record low 22.0°F (1962-12-13). Source: NOAA / National Weather Service.