Saint John Weather Forecast August 21 to August 27 Brings Sunny Friday and Rainy Weekend

August 21, 2026

Friday Brings Warmth and Sunshine Get ready for a beautiful start to your weekend. Early morning fog patches dissipate quickly this morning, clearing the way for plenty of sunshine. Temperatures reach a high of 25 degrees Celsius inland and 18 degrees Celsius along the coast. You will feel the heat, as the humidex hits 30 […]

Saint John Weather Forecast For August 14 To August 16

August 14, 2026

Prepare for a mix of sun, clouds, and rain in Saint John this weekend. According to the latest data from Environment Canada, the upcoming days bring varying conditions for the city. Friday Showers and Thunderstorms Your Friday starts off sunny, but clouds roll in as the day progresses. Environment Canada forecasts a 60 percent chance […]

Saint John Weather Forecast: Heat, Humidity and Weekend Showers from August 7 to August 13

August 7, 2026

Heat and Humidity Kick Off the Weekend Image source: Environment Canada Get ready for a hot and sticky start to your weekend. Environment Canada forecasts a high of 30 degrees for Saint John this Friday. The humidex pushes that feeling up to 36. You will see plenty of sunshine this morning before clouds roll in […]

Environment Canada Issues Heat Warning for Saint John

August 5, 2026

Environment Canada issued a yellow level heat warning for the southern half of New Brunswick, including Saint John. According to Your Saint John, a hot and humid air mass moves through the region Wednesday. Temperatures will reach 33 degrees. The humidex makes it feel like 36 to 39 degrees. Nighttime lows stay warm for eastern […]

Saint John Weather Forecast: Friday July 31 Through Sunday August 2

July 31, 2026

Your Weekend Weather Outlook Welcome to your Saint John weather update for the weekend of July 31 to August 2. We have the latest details to help you plan your outdoor activities. You can find the full data directly at the Environment Canada website. Friday Forecast The day begins with mist and early morning showers. […]

Saint John Weather Forecast: Warm Temperatures and Weekend Rain for July 17 to 23

July 17, 2026

Saint John residents experience a mix of sunshine and rain this week. According to the latest forecast from Environment Canada, the upcoming days bring warm temperatures followed by a wet end to the weekend. Friday Brings Sun and Wind Friday, July 17, brings a mix of sun and cloud to the city. Temperatures reach a […]

Historic Heatwave Shatters 1887 Temperature Record in Saint John

July 6, 2026

Temperatures soared across the Maritimes this week, and Saint John just broke a heat record that stood for over a century. If you stepped outside on Friday, you felt the historic heat firsthand. A woman carries her dog through a water fountain on the Halifax Waterfront. Image credit: THE CANADIAN PRESS/Darren Calabrese According to a […]

Heat Wave Tracks East Bringing Extreme Temperatures to New Brunswick

July 2, 2026

The intense heat wave baking Ontario and Quebec is heading straight for the Maritimes. You need to prepare your home for soaring temperatures as the system moves into New Brunswick. The Canadian Press reports that Environment Canada has issued heat warnings across New Brunswick, Nova Scotia, and Prince Edward Island. You will experience hot and […]

Saint John Weather Forecast: Showers This Friday Give Way to a Sun Mixed Weekend from June 26 to June 28

June 26, 2026

Showers and Thunderstorms Arrive Friday You will need your umbrella in Saint John this Friday. Environment Canada forecasts increasing cloudiness with a 60 percent chance of showers developing by late morning and continuing into the afternoon. The system brings a risk of late afternoon thunderstorms. Temperatures reach a high of 22 degrees Celsius, though coastal […]

Saint John Weather Forecast: Showers This Friday Lead to a Sunny Weekend, June 19 to June 25

June 19, 2026

Friday Brings Clearing Skies Morning showers and fog end by noon today. You will see a mix of sun and cloud this afternoon. Temperatures reach 14 degrees along the coast and 21 degrees inland. A high UV index of 9 means you need sunscreen if you spend time outside. Tonight features partly cloudy skies and […]