The official National Weather Service forecast for Three Rivers — 36.4388°N, 118.9045°W, 66.4 miles from I-5. Forecasts here are written by NWS HNX, this county’s forecast office.
| Tulare County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 50 | 53 | 57 | 63 | 71 | 81 | 88 | 86 | 81 | 70 | 58 | 50 | 67 |
| Avg low °F | 31 | 32 | 34 | 38 | 45 | 53 | 60 | 58 | 53 | 44 | 36 | 31 | 43 |
| Precip in | 3.9 | 3.9 | 3.0 | 1.8 | 0.8 | 0.1 | 0.2 | 0.2 | 0.2 | 1.0 | 1.8 | 3.7 | 20.6 |
1996–2025 normals for Tulare County — the climate division Three Rivers sits in. All-time county record high 100.2°F (2024-07-07); record low 5.8°F (1990-12-22). Source: NOAA / National Weather Service.