The official National Weather Service forecast for Porter — 35.8709°N, 95.5225°W, 23.3 miles from I-44. Forecasts here are written by NWS TSA, this county’s forecast office.
| Wagoner County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 49 | 54 | 63 | 72 | 80 | 88 | 93 | 93 | 86 | 74 | 62 | 52 | 72 |
| Avg low °F | 27 | 31 | 41 | 49 | 58 | 68 | 72 | 70 | 62 | 50 | 40 | 31 | 50 |
| Precip in | 2.1 | 2.1 | 3.6 | 4.7 | 6.2 | 4.4 | 3.5 | 3.7 | 3.6 | 4.1 | 3.1 | 2.5 | 43.6 |
1996–2025 normals for Wagoner County — the climate division Porter sits in. All-time county record high 113.6°F (1954-07-14); record low -12.6°F (2021-02-17). Source: NOAA / National Weather Service.