30-day outlook · Chatham
14-day forecast →Sep 1822°12°First quarter
1921°15°60%
2019°11°70%
2118°11°30%
2217°11°60%
2318°11°40%
2419°15°78%
2518°11°5%
2618°10°Full moon
2718°12°5%
2822°16°6%
2925°19°14%
3023°19°11%
Oct 120°12°45%
2avg19°10°
3avg19°10°Last quarter
4avg18°9°
5avg18°9°
6avg18°9°
7avg18°9°
8avg17°9°
9avg17°8°
10avg17°8°New moon
11avg17°8°
12avg16°8°
13avg16°8°
14avg16°7°
15avg16°7°
16avg16°7°
17avg15°7°
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 18 | Mostly sunny | 22° | 12° | 9% · 0 mm | Forecast |
| Sat Sep 19 | Showers | 21° | 15° | 60% · 4 mm | Forecast |
| Sun Sep 20 | Showers | 19° | 11° | 70% · 29 mm | Forecast |
| Mon Sep 21 | Showers | 18° | 11° | 30% · 2 mm | Forecast |
| Tue Sep 22 | Showers | 17° | 11° | 60% · 2 mm | Forecast |
| Wed Sep 23 | Showers | 18° | 11° | 40% · 2 mm | Forecast |
| Thu Sep 24 | Partly cloudy | 19° | 15° | 78% · 2 mm | Forecast |
| Fri Sep 25 | Sunny | 18° | 11° | 5% · 0 mm | Outlook |
| Sat Sep 26 | Sunny | 18° | 10° | 4% · 0 mm | Outlook |
| Sun Sep 27 | Sunny | 18° | 12° | 5% · 0 mm | Outlook |
| Mon Sep 28 | Sunny | 22° | 16° | 6% · 0 mm | Outlook |
| Tue Sep 29 | Mostly cloudy | 25° | 19° | 14% · 0 mm | Outlook |
| Wed Sep 30 | Sunny | 23° | 19° | 11% · 0 mm | Outlook |
| Thu Oct 1 | Mostly cloudy | 20° | 12° | 45% · 0.3 mm | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Chatham 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 2–10 9 days | 19° → 17° | 10° → 8° | ≈23 mm | 11 h 41 → 11 h 18 | Last quarter Oct 3 · New moon Oct 10 |
| Oct 11–17 7 days | 17° → 15° | 8° → 7° | ≈17 mm | 11 h 16 → 10 h 59 | — |
Climate normals 1981–2010, Chatham Wpcp station · Environment and Climate Change Canada
Days 1–7: Environment and Climate Change Canada (Chatham-Kent - Rondeau Park) · days 8–14: WeatherAPI.com · days 15–30: Climate normals 1981–2010, Chatham Wpcp station · Environment and Climate Change Canada · 42.4122°N, 82.1849°W