30-day outlook · Chatham
14-day forecast →Sep 1919°14°40%
2020°9°93%
2118°13°30%
2217°13°40%
2316°13°40%
2420°13°5%
2521°10°30%
2620°12°Full moon
2716°11°58%
2819°15°7%
2918°15°15%
3016°14°87%
Oct 117°14°91%
217°14°85%
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°
18avg15°7°First quarter
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 19 | Thunderstorms | 19° | 14° | 40% · 4 mm | Forecast |
| Sun Sep 20 | Thunderstorms | 20° | 9° | 93% · 13 mm | Forecast |
| Mon Sep 21 | Partly cloudy | 18° | 13° | 30% · 0 mm | Forecast |
| Tue Sep 22 | Showers | 17° | 13° | 40% · 0.5 mm | Forecast |
| Wed Sep 23 | Showers | 16° | 13° | 40% · 6 mm | Forecast |
| Thu Sep 24 | Partly cloudy | 20° | 13° | 5% · 0 mm | Forecast |
| Fri Sep 25 | Partly cloudy | 21° | 10° | 30% · 0 mm | Forecast |
| Sat Sep 26 | Sunny | 20° | 12° | 6% · 0 mm | Outlook |
| Sun Sep 27 | Sunny | 16° | 11° | 58% · 2 mm | Outlook |
| Mon Sep 28 | Sunny | 19° | 15° | 7% · 0 mm | Outlook |
| Tue Sep 29 | Mostly cloudy | 18° | 15° | 15% · 0 mm | Outlook |
| Wed Sep 30 | Showers | 16° | 14° | 87% · 11 mm | Outlook |
| Thu Oct 1 | Showers | 17° | 14° | 91% · 13 mm | Outlook |
| Fri Oct 2 | Showers | 17° | 14° | 85% · 6 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 3–10 8 days | 19° → 17° | 10° → 8° | ≈20 mm | 11 h 38 → 11 h 18 | Last quarter Oct 3 · New moon Oct 10 |
| Oct 11–18 8 days | 17° → 15° | 8° → 7° | ≈19 mm | 11 h 16 → 10 h 56 | First quarter Oct 18 |
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