30-day outlook · Grimsby
14-day forecast →Sep 1773°55°40%
1872°57°First quarter
1966°57°70%
2068°50°70%
2163°52°77%
2263°54°60%
2366°60°40%
2469°57°68%
2559°53°57%
2662°50°Full moon
2769°55°5%
2868°60°11%
2974°62°13%
3066°53°63%
Oct 1Normal65°49°
2Normal64°49°
3Normal64°48°Last quarter
4Normal64°48°
5Normal63°48°
6Normal63°47°
7Normal62°47°
8Normal62°47°
9Normal62°46°
10Normal61°46°New moon
11Normal61°46°
12Normal60°45°
13Normal60°45°
14Normal60°44°
15Normal59°44°
16Normal59°44°
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 | 73° | 55° | 40% · 0 in | Forecast |
| Fri Sep 18 | Partly cloudy | 72° | 57° | 10% · 0 in | Forecast |
| Sat Sep 19 | Showers | 66° | 57° | 70% · 0.21 in | Forecast |
| Sun Sep 20 | Showers | 68° | 50° | 70% · 0.20 in | Forecast |
| Mon Sep 21 | Partly cloudy | 63° | 52° | 77% · 0.14 in | Forecast |
| Tue Sep 22 | Showers | 63° | 54° | 60% · 0.76 in | Forecast |
| Wed Sep 23 | Showers | 66° | 60° | 40% · 0.02 in | Forecast |
| Thu Sep 24 | Mostly cloudy | 69° | 57° | 68% · 0.11 in | Outlook |
| Fri Sep 25 | Showers | 59° | 53° | 57% · 0.06 in | Outlook |
| Sat Sep 26 | Sunny | 62° | 50° | 4% · 0 in | Outlook |
| Sun Sep 27 | Sunny | 69° | 55° | 5% · 0 in | Outlook |
| Mon Sep 28 | Sunny | 68° | 60° | 11% · 0 in | Outlook |
| Tue Sep 29 | Mostly cloudy | 74° | 62° | 13% · 0 in | Outlook |
| Wed Sep 30 | Sunny | 66° | 53° | 63% · 0.18 in | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Grimsby 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 | 65° → 64° | 49° → 48° | ≈0.31 in | 11 h 43 → 11 h 38 | Last quarter Oct 3 |
| Oct 4–10 7 days | 64° → 61° | 48° → 46° | ≈0.70 in | 11 h 35 → 11 h 17 | New moon Oct 10 |
| Oct 11–16 6 days | 61° → 59° | 46° → 44° | ≈0.58 in | 11 h 14 → 11 h 0 | — |
Climate normals 1981–2010, Vineland Rittenhouse station · Environment and Climate Change Canada
Days 1–7: Environment and Climate Change Canada (St. Catharines - Grimsby - Northern Niagara Region) · days 8–14: WeatherAPI.com · days 15–30: Climate normals 1981–2010, Vineland Rittenhouse station · Environment and Climate Change Canada · 43.2001°N, 79.5663°W