Sunday 1 November at Portland International Jetport (PWM), United States
High13°
Likely 12°–15°
Sunny
Low 0°, likely -2°–1°
Times are local; night hours are shaded. The line is a sketch, not an hour-by-hour forecast: this airport's typical daily temperature cycle, scaled to tomorrow's high and low.
Tomorrow's high should be 3° warmer than today's, and close to the normal high for 1 November. Rain is less likely than usual: 2% against a normal 35% for the date.
Shaded: the likely range (an 80% range). In our tests, eight days in ten ended inside it.
9°, clear, wind from the northwest at 15 km/h.
Latest airport report, 13:00 local time.
Chances are for the local day. Rain means rain, drizzle or snow in at least one hourly airport report; fog means fog or visibility under 1 km in at least one. "Normal" is this airport's usual chance for the date. Wind and gust are the strongest of the day.
| Day | High forecast | High measured | Rain chance | Rained | |
|---|---|---|---|---|---|
| Fri 30 Oct | 17° | 21° | 56% | Yes | |
| Thu 29 Oct | 17° | 18° | 7% | No | |
| Wed 28 Oct | 10° | 9° | 4% | No | |
| Tue 27 Oct | 11° | 12° | 12% | No | |
| Sun 25 Oct | 16° | 16° | 1% | No | |
| Fri 23 Oct | 18° | 13° | 4% | No | |
| Thu 22 Oct | 14° | 17° | 32% | No | |
| Wed 21 Oct | 17° | 14° | 1% | No | |
| Tue 20 Oct | 17° | 19° | 6% | No | |
| Sun 18 Oct | 9° | 9° | 3% | No | |
| Sat 17 Oct | 14° | 13° | 25% | No | |
| Fri 16 Oct | 14° | 16° | 52% | Yes | |
| Thu 15 Oct | 15° | 13° | 15% | No | |
| Wed 14 Oct | 16° | 16° | 85% | Yes |
The forecast high was within 2° on 8 of the last 14 scored days. Days that could not be scored are left out. Forecasts before 27 October did not yet use ECMWF and were less accurate on average.
"Measured" is the highest and lowest hourly airport report of the local day. Official daily highs and lows can differ a little: at US airports the official high averages about 0.4° higher and the official low about 0.5° lower. More
Not for aviation or safety decisions. Disclaimer