blacksweather.bsky.social
@blacksweather.bsky.social
Weather for Ottawa Canada
Enjoying the sun yesterday while skiing in the Greenbelt. Still on the chilly side to start the workweek (10 days until Christmas by the way🎄). It’s -14° now. W/c -22. Mainly cloudy today. High -9°. Wind WSW 10-15. A stray flurry but no accumulation. Low -11°. ☁️ Tues. & -3°.
December 15, 2025 at 10:33 AM
Yesterday’s snowfall seen from my backyard. A break in the snow today (we’ve seen measurable snow on 10 of the last 17 days). The chill has returned though. Temps remain steady near -11° w/intervals of sun & cloud. Wind NW 15-20. Low -16°. Mainly cloudy Mon. & -8°. A pm flurry possible.
December 14, 2025 at 11:38 AM
A gusty wind blows snow from the trees in the Greenbelt yesterday. Still blustery today too. Look for clouds, sunny breaks & a high of -5°. Wind W 20-40 will make it feel colder. 30% chance of flurries. Low -13°. A bit of snow develops Sat. am. 2-4cm. High -2°. ☀️ & -12° Sunday.
December 12, 2025 at 10:21 AM
Noon Sunday. Temp -10° in Ottawa. Radar shows snow lingering overhead. Better up the snow totals a bit. Up to 4cm.
December 7, 2025 at 5:54 PM
I went outside during the snow last night to look at the neighbourhood Christmas lights. The chill has returned. The high today will be -9° (norm is -2°), but the wind will be generally light, which is helpful. Periods of light snow will develop, ~2cm. Low -18°. ☀️ Mon. & -12°. Snow Tuesday/Wed.
December 7, 2025 at 10:40 AM
Hiking in the Greenbelt. Periods of snow on & off this weekend. A cm or two here, a cm or two there -but the real story is the temperature roller coaster. We could hit 1° today with south winds 20-40. Cold air starts to pour in overnight. Low -13°. High Sunday -10°.☀️ Mon. & -11°.
December 6, 2025 at 10:42 AM
Crows hurry home as the sunsets yesterday. Very cold air moves into the area tomorrow with lows of -20° by early Fri. so enjoy a high today near 0°. Look for mainly cloudy skies with developing flurries possible. Wind SW ⬆️ 20-40 by pm. Low -11° w/flurries. Temps ⬇️ Thurs. Windy.
December 3, 2025 at 10:10 AM
Welcome to December 🎄❄️. The winter weather has appeared as if on cue. It’s a cold -9° now. W/c -17. The high will struggle to touch -5° under mainly clear skies. Wind WNW with gusts >30 will have a bite so bundle up🧣. Low -10°. Periods of light snow Tues. with a high of -4°.
December 1, 2025 at 12:29 PM
The Deschênes rapids seen from the Ontario side. A cold wind blows this morning ahead of some snow tomorrow. It’s -4° now. W/c -12. High -1° under sunny to partly cloudy skies. Wind W 20-40, this am then ⬇️ a bit by pm. Snow Sunday. 5-10cm. High 2° set late. Colder Mon. High -8.
November 29, 2025 at 11:52 AM
Getting close to the forest floor reminded me of riding a helicopter over our northern tundra. Flurries around today and dress for the cold wind. It’s -3° now. W/c -9. High -1°. Wind W 20-40. Low -5°. Intervals of sun and cloud Sat & -2°. Snow likely Sunday. High 1°. Stay tuned.
November 28, 2025 at 11:59 AM
Dow’s Lake & the skating huts are up. All we need is cold to start the season. Much colder air is looming but not today. The high might touch 8° under cloudy skies w/a stray shower. Steady rain arrives later pm into eve. Wind E 15-20. Low 1°. Blustery Thurs. & 3°. A pm flurry.
November 26, 2025 at 12:41 PM
The sun came out yesterday and made for a pleasant late day walk. A mild day on tap today but with generally cloudy skies. High 7° (norm is 1°). Wind light. Rain likely by late eve into Wed. Low 4°. High Wed. 6°. Cooler air pushes in by Thurs. and lasts into the weekend.
November 25, 2025 at 11:35 AM
Yesterday’s hike in the Greenbelt looked nice with the snowfall. A stray early flurry around otherwise mainly cloudy today (we can hope for some sunny breaks). High 4°. Wind WSW 10-20. Low 1°. Cloudy and mild Tues. High 7° (norm is 2°). Chance of ☔️ ⬆️ by eve. ☔️ Wed. & 8°.
November 24, 2025 at 12:06 PM
A lone Canada Goose grazes in the Ottawa River, by Britannia. Periods of light snow today (~2cm locally). High 1°. Wind E 10-15. Low -1°. A bit milder as we get into the workweek. Mostly cloudy Mon. & 3°. By Tues. 6° with developing showers. Similar Wed. A big cooldown starts Thurs.
November 23, 2025 at 11:55 AM