Weather tomorrow: Ottawa
Forecast for tomorrow, 28 September: cloudy. The daily air temperature range is 11 to 23 °C. Chance of precipitation tomorrow according to the daily forecast: 4%. Forecast precipitation amount: 0 mm. Wind from the northeast at 2.8 m/s.
monday 28 september
Cloudy
+23°
+11°
Sunset 18:42
G/m activity 2
Precipitation probability 4%
Precipitation 0.0 mm
Wind
2.8 m/s
Pressure 999.9 hPa
Index UV 5
Humidity 62%
Sunrise 06:49
Moon Waning Gibbous
Sunrise 06:49
Sunset 18:42
G/m activity 2
Moon Waning Gibbous
00:00
12°
NE
2.5 m/s01:00
12°
NE
1.9 m/s02:00
12°
NE
2.2 m/s03:00
11°
NE
2.2 m/s04:00
11°
NE
2.2 m/s05:00
11°
NE
2.2 m/s06:00
11°
NE
1.9 m/s07:00
11°
NE
1.9 m/s08:00
13°
NE
1.9 m/s09:00
14°
NE
1.7 m/s10:00
17°
N
1.4 m/s11:00
19°
N
1.7 m/s12:00
20°
NE
2.2 m/s13:00
22°
NE
1.7 m/s14:00
22°
NE
1.4 m/s15:00
23°
NE
1.4 m/s16:00
23°
NE
1.1 m/s17:00
22°
NE
1.7 m/s18:00
21°
NE
1.1 m/s19:00
19°
NE
1.1 m/s20:00
18°
NE
1.1 m/s21:00
18°
E
2.2 m/s22:00
16°
E
2.8 m/s23:00
16°
SE
3.1 m/sWhat is the atmospheric pressure in Ottawa tomorrow?
Pressure adjusted for location elevation. Location elevation: 150 m relative to sea level
Forecast for 28.09.2026 · Local time
Pressure: 998.6–1002.6 hPa.
Minimum: 998.6 hPa17:00–23:00
Maximum: 1002.6 hPa10:00
Largest change over 3 hours: −2.7 hPa · 10:00–13:00
hPa · Change over the previous 3 hours
Colours show pressure relative to this day’s range
Lower · 998.6 Scale midpoint · 1000.6 Higher · 1002.6 Largest change over 3 hoursWhat is the chance of precipitation in Ottawa tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 4%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 3% |
|---|---|---|
| 01:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 3% |
| 02:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 4% |
| 03:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 5% |
| 04:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 6% |
| 05:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 7% |
| 06:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 7% |
| 07:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 8% |
| 08:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 6% |
| 09:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 4% |
| 10:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 3% |
| 11:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
| 12:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
| 13:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 14:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 15:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 16:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 17:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 18:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 14% |
| 19:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 15% |
| 20:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 11% |
| 21:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 12% |
| 22:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 8% |
| 23:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 9% |
Ottawa weather tomorrow: morning, afternoon and evening
Morning: partly cloudy, +11 °C. Afternoon: clear, +20 °C. Evening: overcast, +21 °C.
According to the hourly forecast, tomorrow's highest temperature is expected from 15:00 to 16:00, at around +23 °C. Times are local.
Tomorrow's strongest winds are expected at 23:00 (from the southeast). The lightest winds are expected at 16:00 (from the northeast); from 18:00 to 20:00 (from the northeast). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for Ottawa tomorrow?
The highest forecast Kp index for tomorrow is 2.
