30-day outlook · Saint-Laurent
14-day forecast →Sep 1723°13°13%
1821°7°First quarter
1918°9°13%
2020°9°75%
2118°5°12%
2218°8°19%
2319°10°90%
2418°12°87%
2513°9°85%
2614°6°Full moon
2719°8°8%
2822°14°12%
2922°14°8%
3018°10°66%
Oct 1Normal17°7°
2Normal17°7°
3Normal16°7°Last quarter
4Normal16°6°
5Normal16°6°
6Normal16°6°
7Normal15°6°
8Normal15°6°
9Normal15°5°
10Normal15°5°New moon
11Normal14°5°
12Normal14°5°
13Normal14°5°
14Normal14°4°
15Normal13°4°
16Normal13°4°
TodayForecast, days 1–14Normal for the date
Days 1–14 at a glance
Today →| Day | Weather | High | Low | Precip | Source |
|---|---|---|---|---|---|
| Today Sep 17 | Partly cloudy | 23° | 13° | 13% · 0 mm | Forecast |
| Fri Sep 18 | Mostly sunny | 21° | 7° | 3% · 0 mm | Forecast |
| Sat Sep 19 | Sunny | 18° | 9° | 13% · 0 mm | Forecast |
| Sun Sep 20 | Mostly cloudy | 20° | 9° | 75% · 3 mm | Forecast |
| Mon Sep 21 | Sunny | 18° | 5° | 12% · 0 mm | Forecast |
| Tue Sep 22 | Partly cloudy | 18° | 8° | 19% · 0 mm | Forecast |
| Wed Sep 23 | Partly cloudy | 19° | 10° | 90% · 7 mm | Forecast |
| Thu Sep 24 | Showers | 18° | 12° | 87% · 5 mm | Outlook |
| Fri Sep 25 | Showers | 13° | 9° | 85% · 5 mm | Outlook |
| Sat Sep 26 | Sunny | 14° | 6° | 6% · 0 mm | Outlook |
| Sun Sep 27 | Sunny | 19° | 8° | 8% · 0 mm | Outlook |
| Mon Sep 28 | Mostly cloudy | 22° | 14° | 12% · 0 mm | Outlook |
| Tue Sep 29 | Sunny | 22° | 14° | 8% · 0 mm | Outlook |
| Wed Sep 30 | Sunny | 18° | 10° | 66% · 8 mm | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Saint-Laurent 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 1–3 3 days | 17° → 16° | 7° | ≈9 mm | 11 h 42 → 11 h 35 | Last quarter Oct 3 |
| Oct 4–10 7 days | 16° → 15° | 6° → 5° | ≈20 mm | 11 h 32 → 11 h 13 | New moon Oct 10 |
| Oct 11–16 6 days | 14° → 13° | 5° → 4° | ≈18 mm | 11 h 10 → 10 h 55 | — |
Climate normals 1981–2010, Montreal/pierre Elliott Trudeau Intl A station · Environment and Climate Change Canada
Days 1–7: Environment and Climate Change Canada (Montréal Island area) · days 8–14: WeatherAPI.com · days 15–30: Climate normals 1981–2010, Montreal/pierre Elliott Trudeau Intl A station · Environment and Climate Change Canada · 45.5001°N, 73.6659°W