Weather in Calgary — today
Now in Calgary
🌙
+6°
Clear
Feels like +3° · humidity 84%
Tomorrow 12.9: +11° / +4°
🕐 23:25
Wind
7 km/h
UV index
0
Air (AQI)
26 · Good
Precipitation
2%
Humidity
84%
Pressure
1022 hPa
Sunrise / sunset
07:07 / 19:56
👕 What to wear today
Cool — a jacket or a warm sweater.
Feels colder by 3°
Weather for an activity:
Detailed weather information for Calgary
Tomorrow, 12 September, Saturday, in Calgary (Canada): partly cloudy, cool. During the day the air will warm up to +11°, at night around +4°. Wind up to 9 km/h. No precipitation expected, you won't need an umbrella. You'll need a warm jacket or a sweater, especially in the evening. The sun will rise at 07:07 and set at 19:56 — daylight lasts 13 hours.Hourly weather in Calgary
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Calgary for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Tomorrow 12.9
☁️
💧 2%
+4° +11°
Morning
☁️
+5°
Day
☁️
+11°
Evening
🌇
+10°
Night
🌙
+4°
▶
Sun 13.9
🌦️
💧 52%
+2° +9°
Morning
☁️
+4°
Day
🌦️
+9°
Evening
🌇
+9°
Night
🌙
+2°
▶
Mon 14.9
🌦️
💧 60%
+7° +15°
Morning
🌦️
+10°
Day
🌦️
+15°
Evening
🌇
+13°
Night
🌙
+7°
▶
Tue 15.9
🌦️
💧 60%
+5° +8°
Morning
🌦️
+6°
Day
🌦️
+8°
Evening
🌇
+7°
Night
🌙
+5°
▶
Wed 16.9
⛅
💧 26%
+3° +19°
Morning
⛅
+9°
Day
⛅
+19°
Evening
🌇
+15°
Night
🌙
+3°
▶
Thu 17.9
☀️
💧 1%
+8° +22°
Morning
☀️
+13°
Day
☀️
+22°
Evening
🌇
+19°
Night
🌙
+8°
▶
Fri 18.9
☀️
💧 1%
+9° +21°
Morning
☀️
+13°
Day
☀️
+21°
Evening
🌇
+18°
Night
🌙
+9°
▶
Sat 19.9
☀️
💧 9%
+10° +24°
Morning
☀️
+15°
Day
☀️
+24°
Evening
🌇
+21°
Night
🌙
+10°
▶
Sun 20.9
☀️
💧 13%
+11° +23°
Morning
☀️
+15°
Day
☀️
+23°
Evening
🌇
+20°
Night
🌙
+11°
▶
Mon 21.9
☁️
💧 13%
+11° +24°
Morning
☁️
+16°
Day
☁️
+24°
Evening
🌇
+21°
Night
🌙
+11°
▶
Tue 22.9
🌦️
💧 20%
+12° +24°
Morning
🌦️
+16°
Day
🌦️
+24°
Evening
🌇
+21°
Night
🌙
+12°
▶
Wed 23.9
🌦️
💧 19%
+12° +25°
Morning
🌦️
+17°
Day
🌦️
+25°
Evening
🌇
+22°
Night
🌙
+12°
▶
Thu 24.9
🌦️
💧 25%
+9° +15°
Morning
🌦️
+11°
Day
🌦️
+15°
Evening
🌇
+14°
Night
🌙
+9°
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏃 Running
68 / 100
comfort for running · Good
🧴 UV
0%
moderate · low
☂️ Rain
2%
unlikely · low
✨ Stars
87 / 100
evening visibility · Excellent
🧺 Laundry drying
38 / 100
will dry outside · So-so
🚗 Car wash
93 / 100
no rain expected · Excellent
🌫️ Air quality
26
Good air
European AQI
PM2.5: 3PM10: 3O₃: 44NO₂: 15
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
07:07
Sunset
19:56
Golden hour
19:12
Daylight
13 h (-4 min vs yesterday)
Calgary climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
-3°
-13°
Jan
+0°
-11°
Feb
+4°
-8°
Mar
+10°
-2°
Apr
+16°
+3°
May
+19°
+8°
Jun
+23°
+11°
Jul
+22°
+10°
Aug
+17°
+6°
Sep
+10°
-1°
Oct
+2°
-7°
Nov
-3°
-12°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
| Month | Day | Night | Precipitation | What to pack and what makes the month notable (events, nuances) |
|---|---|---|---|---|
| January | -3° | -13° | 12 mm | Freezing: -3° by day, -13° at night — full winter gear, ice underfoot is common. ❄️ a warm jacket, a hat, non-slip shoes. This is the coldest month of the year. |
| February | +0° | -11° | 12 mm | Proper winter: +0° daytime, frost and short days. ❄️ a warm jacket, a hat, non-slip shoes. One of the driest months — rain is very unlikely. |
| March | +4° | -8° | 21 mm | A cold month: +4° by day, long walks get uncomfortable. ❄️ a warm jacket, a hat, non-slip shoes. |
| April | +10° | -2° | 38 mm | Cool: around +10° by day, you'll need a warm layer. 🧥 a warm jacket. |
| May | +16° | +3° | 73 mm | A fresh month — +16° daytime, take a jacket for walks. Frequent rain (73 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. |
| June | +19° | +8° | 105 mm | The most pleasant season: +19° by day, comfortable all day long. One of the wettest months (105 mm): downpours can derail plans. 🙂 a sweater for the evening. Statistically the wettest month of the year. |
| July | +23° | +11° | 62 mm | One of the best times to visit: +23° by day, fresh nights. It's a rainy month (62 mm) — an umbrella is a must. 🙂 a sweater for the evening. This is the hottest month of the year in Calgary. |
| August | +22° | +10° | 64 mm | Ideal weather: +22° daytime — neither hot nor cold. Frequent rain (64 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Weather-wise, one of the three best months to visit. |
| September | +17° | +6° | 44 mm | Cool weather: +17° by day, noticeably colder in the evening. 🙂 a sweater for the evening. Weather-wise, one of the three best months to visit. |
| October | +10° | -1° | 25 mm | Cool: around +10° by day, you'll need a warm layer. 🧥 a warm jacket. |
| November | +2° | -7° | 20 mm | Winter weather: about +2° daytime, you need a warm coat and hat. ❄️ a warm jacket, a hat, non-slip shoes. |
| December | -3° | -12° | 14 mm | The coldest stretch: -3° by day, full winter clothing required. ❄️ a warm jacket, a hat, non-slip shoes. The shortest daylight of the year — it gets dark early. |
When to visit Calgary
✅ Recommended time to visit
🌟 Best time: July, August, September
Daytime air+17…+23°
Precipitationoften
Why: comfortable +17…+23° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, March, April, May, June
Daytime air-3…+19°
Precipitationoften
Why: cool (-3…+19°) — not beach season, but great for city sights and museums.
🔴 Not the best time
❄️ Cold season: October, November, December
Daytime air-3…+10°
Precipitationrare
Why: cold and dark (-3…+10° by day, 8 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Calgary is July – September, and the most comfortable months are July, August, September. The toughest months to visit are October, November, December: cold and short days.
🌡️ Today vs the climate normal
Today's high
+11°
Normal for September
+17°
Deviation
6° colder than normal
A year ago on this day
+23°
Record for this date
+28° (1969)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Calgary
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
Show the archive for the selected day →
Weather in cities near Calgary
Frequently asked questions about the weather in Calgary
What is the weather in Calgary right now?＋
Clear, +6°, feels like +3°.
Will it rain in Calgary today?＋
No: 2% chance, 0 mm.
When is the best time to visit Calgary?＋
Best time to visit — July – September.
What time are sunrise and sunset in Calgary?＋
Sunrise 07:07, sunset 19:56.
Does it snow in Calgary in winter?＋
Yes, snow is possible in January, February, March, April, October, November, December.
What is the climate in Calgary by month?＋
Summers up to +23° in July, winters around -13° in January; the wettest month is June.
Is it cold in Calgary in winter?＋
🥶 Severe frost. You'll need a warm jacket, a hat with ear flaps, gloves and warm boots (felt boots); staying outside for long is dangerous — risk of frostbite.