Forecast Details for Northern Niagara

including Lincoln, Grimsby, St.Catharines, Niagara-on-the-Lake, West Lincoln, and Thorold.
 Extended Forecast - Environment Canada
  Wednesday
Mainly sunny
Mainly sunny
Max: 26°C
Thursday
Showers or thundershowers
Showers or thundershowers
Max: 23°C
Friday
Chance of showers (40%)
Chance of showers
Max: 29°C
Saturday
Chance of showers (40%)
Chance of showers
Max: 27°C
Sunday
A mix of sun and cloud
A mix of sun and cloud
Max: 23°C
Monday
A mix of sun and cloud
A mix of sun and cloud
Max: 23°C
Tonight
Chance of showers (40%)
Chance of showers
Min: 11°C
Wednesday Night
Chance of showers (30%)
Chance of showers
Min: 18°C
Thursday Night
Chance of showers or thundershowers (60%)
Chance of showers or thundershowers
Min: 20°C
Friday Night
Chance of showers (60%)
Chance of showers
Min: 20°C
Saturday Night
Cloudy periods
Cloudy periods
Min: 17°C
Sunday Night
Cloudy periods
Cloudy periods
Min: 16°C

Lincoln, ON (Issued: 3:30 PM EDT Tuesday 27 June 2017)
Tuesday night
Mainly cloudy with 40 percent chance of showers early this evening and risk of a thunderstorm. Clearing late this evening. Wind northwest 20 km/h becoming light this evening. Low 11.
Wednesday
Mainly sunny. Wind becoming southwest 20 km/h gusting to 40 near noon. High 26. Humidex 27. UV index 8 or very high.
Wednesday night
Partly cloudy. Becoming cloudy before morning with 30 percent chance of showers. Risk of a thunderstorm before morning. Wind southwest 20 km/h gusting to 40 becoming light in the evening. Low 18.
Thursday
Showers or thunderstorms. Windy. High 23.
Thursday night
Cloudy periods with 60 percent chance of showers or thunderstorms. Low 20.
Friday
A mix of sun and cloud with 40 percent chance of showers. High 29.
Friday night
Cloudy periods with 60 percent chance of showers. Low 20.
Saturday
A mix of sun and cloud with 40 percent chance of showers. High 27.
Saturday night
Cloudy periods. Low 17.
Sunday
A mix of sun and cloud. High 23.
Sunday night
Cloudy periods. Low 16.
Monday
A mix of sun and cloud. High 23.

Environment Canada