30-day outlook · Corunna
14-day forecast →Sep 2117°8°14%
2217°11°18%
2320°13°30%
2421°10°21%
2519°9°4%
2620°11°Full moon
2720°10°11%
2820°10°4%
2916°13°79%
3018°15°57%
Oct 120°13°11%
218°15°61%
322°16°Last quarter
421°16°11%
5avg17°7°
6avg17°7°
7avg17°7°
8avg17°7°
9avg16°7°
10avg16°6°New moon
11avg16°6°
12avg16°6°
13avg15°6°
14avg15°6°
15avg15°6°
16avg15°5°
17avg15°5°
18avg14°5°First quarter
19avg14°5°
20avg14°5°
TodayForecast, days 1–14Avg — typical for the date, not a forecast
Days 1–14 at a glance
Today →| Day | Weather | High | Low | Precip | Source |
|---|---|---|---|---|---|
| Today Sep 21 | Partly cloudy | 17° | 8° | 14% · 0 mm | Forecast |
| Tue Sep 22 | Partly cloudy | 17° | 11° | 18% · 0.1 mm | Forecast |
| Wed Sep 23 | Showers | 20° | 13° | 30% · 14 mm | Forecast |
| Thu Sep 24 | Partly cloudy | 21° | 10° | 21% · 0.3 mm | Forecast |
| Fri Sep 25 | Partly cloudy | 19° | 9° | 4% · 0 mm | Forecast |
| Sat Sep 26 | Partly cloudy | 20° | 11° | 6% · 0 mm | Forecast |
| Sun Sep 27 | Partly cloudy | 20° | 10° | 11% · 0 mm | Forecast |
| Mon Sep 28 | Sunny | 20° | 10° | 4% · 0 mm | Outlook |
| Tue Sep 29 | Mostly cloudy | 16° | 13° | 79% · 2 mm | Outlook |
| Wed Sep 30 | Showers | 18° | 15° | 57% · 0.9 mm | Outlook |
| Thu Oct 1 | Mostly cloudy | 20° | 13° | 11% · 0 mm | Outlook |
| Fri Oct 2 | Showers | 18° | 15° | 61% · 0.6 mm | Outlook |
| Sat Oct 3 | Fog | 22° | 16° | 87% · 6 mm | Outlook |
| Sun Oct 4 | Sunny | 21° | 16° | 11% · 0 mm | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Corunna 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 5–10 6 days | 17° → 16° | 7° → 6° | ≈17 mm | 11 h 32 → 11 h 18 | New moon Oct 10 |
| Oct 11–17 7 days | 16° → 15° | 6° → 5° | ≈18 mm | 11 h 15 → 10 h 58 | — |
| Oct 18–20 3 days | 14° | 5° | ≈8 mm | 10 h 55 → 10 h 50 | First quarter Oct 18 |
Climate normals 1981–2010, Sarnia Airport station · Environment and Climate Change Canada
Days 1–7: Environment and Climate Change Canada (Sarnia - Petrolia - Western Lambton County) · days 8–14: WeatherAPI.com · days 15–30: Climate normals 1981–2010, Sarnia Airport station · Environment and Climate Change Canada · 42.8834°N, 82.4331°W