blacksweather.bsky.social
@blacksweather.bsky.social
Weather for Ottawa Canada
Festive lights in the neighbourhood. 12cm of snow reported at the airport, & up to 2cm today in light snow. The real story now are cold, gusty winds causing blowing snow. It’s -11° now. W/c -20. High -9°. Wind W 30-50. Low -14°. Not as chilly Fri. High -5° under intervals of sun & cloud.
December 11, 2025 at 10:36 AM
Get ready for snow. Models are showing a bullseye of accumulations right over E. ON. Snow develops this morning lasting into the overnight. 10-20cm ❄️. High -2°. Wind E 10-20. Windy overnight & Thurs. causing blowing snow. Flurries redeveloping Thurs. 2-4cm. High -10°. #ONStorm
December 10, 2025 at 10:56 AM
Heads up Ottawa . #ONStorm
December 9, 2025 at 9:22 PM
Autumn seemed to quickly transition into Winter this year. Becoming mainly cloudy with a 40% chance of a developing flurry today. High -6°. Wind SE ⬆️ 10-20. Snow this eve. ending overnight. 2-4cm.
Heads up for a snowy Wed. 10-15cm ❄️❄️. High -2°. Colder Thurs. Blustery & -7°.
December 9, 2025 at 10:32 AM
Sunny skies but quite cold to start the workweek. It’s -18° now. W/c -26 🥶. The high only reaches -12° today (a normal LOW temp is -10°). Wind WNW 10-20. Low -20°. Not quite as cold by Tues. pm. High -6° w/pm light snow. A more significant snow, perhaps >10cm moves in Wed.
December 8, 2025 at 11:11 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
Sat. 545: pm. Heads up. Snow Squalls possible for Ottawa. #ONStorm
December 6, 2025 at 10:48 PM
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
Who loves the cold? A snowman ⛄️. This happy guy appeared to be soaking up the Winter sunshine 🌞 yesterday. Dress warmly. It’s a clear -20° now. W/c -27. Turning out cloudy today. High -6°. Risk of frostbite 🥶. A stray flurry possible. Wind S ⬆️ 20. Low -7°. Flurries Sat & 0°.
December 5, 2025 at 11:19 AM
A cheerful snowman in my neighbourhood with his carrot nose stolen by a hungry squirrel. Dress warmly today. Cold air will pour into the region on the heels of gusty winds. It’s -8° now. W/c -15. Gradual clearing with temps ⬇️. NW wind ⬆️ 30-50. Low -19°. Mainly cloudy & -6° Fri.
December 4, 2025 at 12:11 PM
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
While it feels cold out there, these temps aren’t that far from normal for early Dec. A storm is sliding by JUST south of Ottawa today, so if you don’t like snow you’ll be happy. Clouds may even give way to peaks of sun later. It’s -10° now. W/c -16. High -3°. Wind E 10-20.
December 2, 2025 at 11:22 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
After yesterday’s messy morning, it turned out quite nicely by afternoon. Here are some pics from my walk in the Greenbelt. Not too bad to get outside today either. Look for clouds, sunny breaks in spots. High 2°. Wind NW 10-20+. Low -5°. Periods of snow Sunday (2cm) changes to/mixes with ☔️ by pm.
November 22, 2025 at 11:28 AM
Yesterday’s hoarfrost created a photographer’s dream. A bit of a wintry mix early this morning. At 5am we are reporting -3° w/light freezing rain. Temps will quickly climb above 0° changing everything over to rain showers. High 6°. Wind SW ⬆️ 15-25. Intervals of ☀️ & ☁️ Sat & 2°.
November 21, 2025 at 10:30 AM
I came across this gang of Wild Turkeys yesterday at Mud Lake. They were not shy so I bid a hasty retreat.🦃. It’s -6° now w/a fog advisory. Visibility is 0.6km. Cloudy skies today, but hope for sunny breaks in spots. High 2° w/light wind. A skiff of ❄️early Fri. Then a ☔️& 6°.
November 20, 2025 at 11:11 AM
Now THAT is what I call a super November day 😎 in Canada’s National Capital! Those Geese you hear better get going before the going is too tough. Still ok tomorrow.. my advice is to seize the day. Winter is coming.
November 19, 2025 at 9:09 PM
The Tamarack or Larch looks like an evergreen tree but its needles turn this golden colour then fall off. A pretty decent stretch of November weather lies ahead. Mainly sunny skies develop today with a high of 2°. Wind WNW 5-15. Low -7°. Clouds and sun Thurs. ⛅️ High 2°. ☔️ Fri & 5°.
November 19, 2025 at 10:16 AM