▶ Video · Forecast

Showers return to eastern Newfoundland, followed by a widespread thunderstorm threat on Thursday!

By Eddie Sheerr·August 27, 2025 · 4:15 PM

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This evening’s forecast is sponsored by CU Financial Management. Vist CUFM.ca/forecast today for expert advice!

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Heat & Records

After yesterday’s rainfall, the sunshine returned today — along with warm temperatures.

• St. John’s hit 21°C at 3:45 PM, the 19th day this month at or above 20°C.

• Add that to 28 in July, 18 in June, and 4 in May → that’s 69 days this year at or above 20°C.

• The record at the airport is 76 days (1942) — and we’re getting close, with September still to come.

Tonight & Thursday

• Overnight: Showers across southeastern Newfoundland — 2–5 mm possible.

• Thursday morning: Rain pushes off by ~9 AM, sunshine returns midday.

• Thunderstorm chance Thursday afternoon: Bay St. George → Corner Brook → Grand Falls-Windsor/Gander → Bonavista Bay/Avalon by evening.

  • Not expected to be severe.

  • Main threat: Heavy downpours.

Temperatures

• Thursday: 20s for many areas, but a sharp drop behind a cold front.

  • Example: Twillingate 11°C vs Clarenville 21°C at 3 PM.

• Friday: Cooler but not bad — cloudy east, 20s central and west.

Weekend Outlook

• Saturday: Central & west Newfoundland look good.

  • East/Avalon: Question mark — some models bring heavy rain onshore.

• Sunday: Looking beautiful province-wide.

• Monday (Labour Day): Sunny, cooler, but pleasant.

Labrador

• Friday & Saturday: Sunny, warm.

• Sunday: Teens with some sprinkles along the coast.

• Monday: Back into the 20s.

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