Frost advisory in effect
Ottawa is under a yellow frost advisory from Environment and Climate Change Canada this Sunday, October 4. Conditions at 5:05 a.m. fit the advisory: the sky is clear and the temperature at Ottawa Macdonald-Cartier International Airport is 2.4°C, with humidity at 95 percent. Wind is out of the northeast at 11 km/h, gusting to 32. Fog patches are expected to dissipate early this morning.
What today holds
The day starts cold but turns milder. Cloudiness increases through the day, and there is a 40 percent chance of showers this afternoon. The high is 17°C, above the seasonal normal high of 15°C. The UV index is 4, which is moderate. Sunrise is at 7:04 a.m. and sunset is at 6:38 p.m.
Tonight and the days ahead
Tonight is mainly cloudy with a 60 percent chance of showers. Wind is from the southwest at 20 km/h, and the low is 7°C, a degree above the seasonal normal low of 6°C.
Monday is cloudy with a 40 percent chance of showers in the morning and early in the afternoon. Wind is from the northwest at 20 km/h, gusting to 40. The high is 12°C and the UV index is 2, which is low. Monday night clears, with a low of plus 2°C.
Tuesday is sunny with a high of 12°C. Tuesday night brings cloudy periods and a low of plus 3°C. Both nights end up close to freezing, so the cold is not limited to this morning.
Getting around
Early risers should expect fog patches before they dissipate, so it is worth allowing a little extra time for the first part of the morning. Gusts of 32 km/h are being recorded at the airport, which is something to keep in mind if you are heading out on foot or by bike.
Showers are possible this afternoon, with a 40 percent chance, so an umbrella is a reasonable thing to carry if you have plans outdoors later in the day. The chance rises to 60 percent tonight.
Monday needs the most attention for travel. Showers are possible in the morning and early in the afternoon, and northwest gusts reach 40 km/h. Tuesday looks like the easiest day of the stretch, with sunshine in the forecast.
Weather information in this article comes from Environment and Climate Change Canada, with current conditions observed at Ottawa Macdonald-Cartier International Airport.
