30-day outlook · Alliston
14-day forecast →Nov 652°41°80%
748°37°40%
846°37°40%
948°43°New moon
1050°37°30%
1145°32°25%
1243°31°15%
1337°28°14%
1437°29°66%
1539°32°33%
1641°33°81%
1743°38°First quarter
1840°34°75%
1936°31°16%
20avg42°30°
21avg42°29°
22avg42°29°
23avg41°29°
24avg41°28°Full moon
25avg41°28°
26avg40°28°
27avg40°27°
28avg40°27°
29avg39°27°
30avg39°26°
Dec 1avg38°26°
2avg38°26°
3avg38°25°
4avg37°25°
5avg37°25°
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 Nov 6 | Showers | 52° | 41° | 80% · 0.11 in | Forecast |
| Sat Nov 7 | Showers | 48° | 37° | 40% · 0.12 in | Forecast |
| Sun Nov 8 | Showers | 46° | 37° | 40% · 0.03 in | Forecast |
| Mon Nov 9 | Showers | 48° | 43° | 30% · 0.04 in | Forecast |
| Tue Nov 10 | Showers | 50° | 37° | 30% · 0.02 in | Forecast |
| Wed Nov 11 | Mostly cloudy | 45° | 32° | 25% · 0 in | Forecast |
| Thu Nov 12 | Mostly cloudy | 43° | 31° | 15% · 0 in | Forecast |
| Fri Nov 13 | Partly cloudy | 37° | 28° | 14% · 0 in | Outlook |
| Sat Nov 14 | Snow | 37° | 29° | 66% · 0.5 in snow | Outlook |
| Sun Nov 15 | Mostly cloudy | 39° | 32° | 33% · 0.01 in | Outlook |
| Mon Nov 16 | Showers | 41° | 33° | 81% · 0.3 in snow | Outlook |
| Tue Nov 17 | Drizzle | 43° | 38° | 91% · 0.19 in | Outlook |
| Wed Nov 18 | Showers | 40° | 34° | 75% · 0.07 in | Outlook |
| Thu Nov 19 | Mostly cloudy | 36° | 31° | 16% · 0 in | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Alliston 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 |
|---|---|---|---|---|---|
| Nov 20–28 9 days | 42° → 40° | 30° → 27° | ≈0.89 in | 9 h 30 → 9 h 15 | Full moon Nov 24 |
| Nov 29–Dec 5 7 days | 39° → 37° | 27° → 25° | ≈0.64 in | 9 h 13 → 9 h 5 | — |
Climate normals 1981–2010, Alliston Nelson station · Environment and Climate Change Canada
Days 1–7: Environment and Climate Change Canada (Innisfil - New Tecumseth - Angus) · days 8–14: WeatherAPI.com · days 15–30: Climate normals 1981–2010, Alliston Nelson station · Environment and Climate Change Canada · 44.1501°N, 79.8663°W