30-day outlook · Portland
14-day forecast →Sep 2466°39°4%
2570°46°4%
2672°48°Full moon
2772°50°11%
2870°48°10%
2972°50°5%
3073°56°56%
Oct 173°56°19%
282°62°9%
370°56°Last quarter
474°53°38%
570°50°90%
653°42°45%
751°37°7%
8avg60°43°
9avg59°43°
10avg59°42°New moon
11avg58°42°
12avg58°42°
13avg57°41°
14avg57°41°
15avg56°40°
16avg56°40°
17avg56°40°
18avg55°40°First quarter
19avg55°39°
20avg55°39°
21avg54°39°
22avg54°38°
23avg53°38°
TodayForecast, days 1–14Avg — typical for the date, not a forecast
Days 1–14 at a glance
Today →| Day | Weather | High | Low | Precip | Source |
|---|---|---|---|---|---|
| Thu Sep 24 | Sunny | 66° | 39° | 4% · 0 in | Forecast |
| Today Sep 25 | Sunny | 70° | 46° | 4% · 0 in | Forecast |
| Sat Sep 26 | Partly cloudy | 72° | 48° | 9% · 0 in | Forecast |
| Sun Sep 27 | Partly cloudy | 72° | 50° | 11% · 0 in | Forecast |
| Mon Sep 28 | Partly cloudy | 70° | 48° | 10% · 0 in | Forecast |
| Tue Sep 29 | Partly cloudy | 72° | 50° | 5% · 0 in | Forecast |
| Wed Sep 30 | Partly cloudy | 73° | 56° | 56% · 0.02 in | Forecast |
| Thu Oct 1 | Mostly cloudy | 73° | 56° | 19% · 0 in | Outlook |
| Fri Oct 2 | Mostly cloudy | 82° | 62° | 9% · 0 in | Outlook |
| Sat Oct 3 | Showers | 70° | 56° | 89% · 0.26 in | Outlook |
| Sun Oct 4 | Mostly cloudy | 74° | 53° | 38% · 0.01 in | Outlook |
| Mon Oct 5 | Showers | 70° | 50° | 90% · 0.73 in | Outlook |
| Tue Oct 6 | Showers | 53° | 42° | 45% · 0.02 in | Outlook |
| Wed Oct 7 | Sunny | 51° | 37° | 7% · 0 in | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Portland on those dates: how highs and lows usually change, how much rain or snow to expect, daylight and the Moon.
| Dates | Normal high | Normal low | Precip | Daylight | Moon |
|---|---|---|---|---|---|
| Oct 8–10 3 days | 60° → 59° | 43° → 42° | ≈0.35 in | 11 h 21 → 11 h 15 | New moon Oct 10 |
| Oct 11–17 7 days | 58° → 56° | 42° → 40° | ≈0.81 in | 11 h 12 → 10 h 54 | — |
| Oct 18–23 6 days | 55° → 53° | 40° → 38° | ≈0.69 in | 10 h 51 → 10 h 36 | First quarter Oct 18 |
Climate normals 1981–2010, Lyndhurst Shawmere station · Environment and Climate Change Canada
Days 1–7: Environment and Climate Change Canada (Westport - Charleston Lake) · days 8–14: WeatherAPI.com · days 15–30: Climate normals 1981–2010, Lyndhurst Shawmere station · Environment and Climate Change Canada · 44.7001°N, 76.1994°W