Antigonish, NS residents can expect a sunny start to the week before conditions turn rainy, according to Environment Canada. The forecast, issued at 11:00 AM ADT on Monday, June 22, 2026, shows a stretch of unsettled weather arriving by Tuesday afternoon and continuing through the weekend.
Monday brings the best day of the week, with sunny skies giving way to a mix of sun and cloud this afternoon. The high is expected to reach 22°C, though coastal areas may stay closer to 14°C. The UV index is 7, which is considered high. Tonight will be partly cloudy, becoming cloudy after midnight, with a low of 11°C.
Tuesday will be cloudy with a 60 percent chance of showers developing in the afternoon. Winds will become southeast at 20 km/h, gusting to 40 km/h in the afternoon. The high will be a cooler 19°C. Rain is expected Tuesday night, with a low of 15°C. Wet weather continues Wednesday with rain throughout the day and a high again near 19°C.
Thursday offers a brief break, with cloudy skies and just a 30 percent chance of showers. The temperature will climb to 23°C, one of the warmest days this week. Thursday night will be clear with a low of 8°C, the coolest overnight temperature of the week. Friday looks similar, with a mix of sun and cloud and a high of 23°C, though the chance of showers returns to 60 percent Friday night with an overnight low of 13°C. The weekend cools down, with Saturday reaching 18°C under cloudy skies and a 30 percent chance of showers, while Saturday night brings a 60 percent chance of showers and a low of 13°C. Sunday will be cloudy with a 60 percent chance of showers and a high of 16°C.
No weather alerts are in effect for the Antigonish area. Environment Canada notes that June normals for the region include a daytime high of 21°C and an overnight low of 10°C, putting this week’s temperatures close to seasonal averages before the late-week cooldown.