Weather in St. Marys, United States 🇺🇸
St. Marys currently sits at 15°C, clear, feeling like 12°C. Expect 75% humidity and winds of about 14 km/h, and the UV index is 0 (low). Across the coming days, St. Marys should see roughly 14°C to 24°C.
Hourly Forecast for St. Marys
14-Day Forecast for St. Marys
Sunny
Sunny
Sunny
Sunny
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Sunny
Overcast
Patchy rain nearby
Partly Cloudy
Sunny
Sunny
Overcast
Additional Forecasts for St. Marys
Air Quality
Historical Weather
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Best Time to Be Outside in St. Marys Today
The most comfortable window in St. Marys today looks like 15:00 to 18:00, when it is around 20°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in St. Marys
What is the temperature in St. Marys right now?
The current temperature in St. Marys is 15°C (59°F), clear (feels like 12°C).
What's the weather like in St. Marys right now?
Current weather in St. Marys: Clear, humidity 75%, wind 14 km/h N.
What is today's forecast for St. Marys?
Today in St. Marys: high 21°C, low 14°C, sunny. Chance of rain: 4%.
What is the 7-day weather forecast for St. Marys?
Daily highs and lows for St. Marys:
- 2026-10-20: 21°C / 14°C
- 2026-10-21: 24°C / 16°C
- 2026-10-22: 23°C / 15°C
- 2026-10-23: 23°C / 17°C
- 2026-10-24: 22°C / 21°C
- 2026-10-25: 23°C / 20°C
- 2026-10-26: 24°C / 21°C
Is it going to rain in St. Marys today?
There is a 4% chance of rain in St. Marys today.
What is the wind speed in St. Marys right now?
Wind in St. Marys is currently 14 km/h (9 mph) from the N.
What is the UV index in St. Marys right now?
The UV index in St. Marys is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
