The official National Weather Service forecast for Fairview — 45.5384°N, 122.434°W, 5.4 miles from I-84. Forecasts here are written by NWS PQR, this county’s forecast office.
| Multnomah County | J | F | M | A | M | J | J | A | S | O | N | D | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 45 | 48 | 53 | 58 | 65 | 71 | 80 | 80 | 73 | 61 | 50 | 44 | 61 |
| Avg low °F | 35 | 34 | 37 | 40 | 45 | 50 | 55 | 55 | 51 | 44 | 38 | 34 | 43 |
| Precip in | 9.1 | 6.7 | 7.1 | 5.1 | 3.9 | 2.7 | 0.5 | 0.8 | 2.4 | 5.8 | 9.1 | 10.4 | 63.6 |
1996–2025 normals for Multnomah County — the climate division Fairview sits in. All-time county record high 107.0°F (2021-06-29); record low 3.4°F (1989-02-04). Source: NOAA / National Weather Service.