Ottawa, Canada Hourly Forecast
Ottawa temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 7 PM - around 82°
- Coolest hour: 6 AM - around 57°
- Highest rain chance: 11 AM (55%) - pack accordingly
- UV peak: 1 PM at index 8 - sun protection recommended
- Windiest: 3 PM at 9 mph
Ottawa hourly weather - Friday, July 17
In Ottawa, expect a high near 82°F (28°C) around 7 PM and a low of 66°F (19°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 1 PM | Sunny | 77° | 66° | 1% | 8 mph WNW | 37% | 8 | |
| 2 PM | Sunny | 79° | 67° | 1% | 8 mph W | 35% | 7 | |
| 3 PM | Sunny | 80° | 68° | 1% | 9 mph W | 34% | 6 | |
| 4 PM | Sunny | 81° | 69° | 1% | 8 mph W | 33% | 4 | |
| 5 PM | Sunny | 80° | 69° | 1% | 7 mph WNW | 32% | 2 | |
| 6 PM | Sunny | 82° | 72° | 1% | 4 mph WNW | 31% | 1 | |
| 7 PM | Sunny | 82° | 74° | 1% | 2 mph N | 31% | 0 | |
| 8 PM | Sunny | 74° | 65° | 1% | 4 mph SE | 38% | 0 | |
| 9 PM | Clear | 71° | 60° | 1% | 7 mph SSE | 42% | 0 | |
| 10 PM | Clear | 68° | 57° | 5% | 6 mph SSE | 66% | 0 | |
| 11 PM | Clear | 66° | 56° | 6% | 6 mph S | 71% | 0 |
Ottawa hourly weather - Saturday, July 18
In Ottawa, expect a high near 81°F (27°C) around 1 PM and a low of 57°F (14°C) near 6 AM; precipitation risk peaks at 78% around 3 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 65° | 54° | 6% | 5 mph S | 72% | 0 | |
| 1 AM | Clear | 64° | 54° | 7% | 6 mph S | 73% | 0 | |
| 2 AM | Partly Cloudy | 57° | 47° | 10% | 6 mph S | 69% | 0 | |
| 3 AM | Patchy rain nearby | 60° | 49° | 29% | 7 mph SW | 67% | 0 | |
| 4 AM | Patchy rain nearby | 58° | 49° | 29% | 4 mph S | 80% | 0 | |
| 5 AM | Patchy rain nearby | 58° | 48° | 26% | 5 mph S | 84% | 0 | |
| 6 AM | Patchy rain nearby | 57° | 47° | 28% | 6 mph SSE | 89% | 0 | |
| 7 AM | Light rain shower | 60° | 49° | 51% | 5 mph S | 89% | 0 | |
| 8 AM | Patchy light drizzle | 61° | 50° | 48% | 6 mph SSW | 92% | 0 | |
| 9 AM | Patchy rain nearby | 63° | 55° | 30% | 2 mph SSE | 91% | 0 | |
| 10 AM | Patchy rain nearby | 66° | 57° | 24% | 4 mph SE | 86% | 0 | |
| 11 AM | Patchy rain nearby | 70° | 60° | 55% | 4 mph SSE | 80% | 0 | |
| 12 PM | Light rain shower | 76° | 64° | 43% | 8 mph S | 74% | 0 | |
| 1 PM | Light rain shower | 81° | 84° | 43% | 15 mph SSW | 65% | 0 | |
| 2 PM | Moderate or heavy rain in area with thunder | 76° | 58° | 76% | 19 mph SW | 85% | 0 | |
| 3 PM | Moderate or heavy rain shower | 74° | 57° | 78% | 18 mph SW | 90% | 1 | |
| 4 PM | Light rain shower | 76° | 60° | 76% | 17 mph WSW | 88% | 1 | |
| 5 PM | Patchy rain nearby | 74° | 60° | 62% | 13 mph W | 90% | 1 | |
| 6 PM | Patchy rain nearby | 75° | 60° | 28% | 13 mph NW | 84% | 0 | |
| 7 PM | Sunny | 73° | 58° | 10% | 14 mph NW | 78% | 0 | |
| 8 PM | Partly Cloudy | 69° | 52° | 10% | 17 mph NW | 77% | 0 | |
| 9 PM | Partly Cloudy | 65° | 49° | 9% | 16 mph NNW | 74% | 0 | |
| 10 PM | Partly Cloudy | 63° | 49° | 13% | 13 mph NW | 77% | 0 | |
| 11 PM | Cloudy | 62° | 46° | 16% | 14 mph NW | 77% | 0 |
Ottawa hourly weather - Sunday, July 19
In Ottawa, expect a high near 76°F (24°C) around 5 PM and a low of 54°F (12°C) near 6 AM; precipitation risk peaks at 18% around 2 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Cloudy | 62° | 47° | 14% | 14 mph NW | 76% | 0 | |
| 1 AM | Partly Cloudy | 60° | 45° | 12% | 14 mph NW | 74% | 0 | |
| 2 AM | Cloudy | 59° | 43° | 18% | 14 mph NW | 76% | 0 | |
| 3 AM | Overcast | 59° | 43° | 18% | 15 mph NNW | 72% | 0 | |
| 4 AM | Partly Cloudy | 58° | 43° | 10% | 14 mph NNW | 71% | 0 | |
| 5 AM | Clear | 56° | 44° | 10% | 12 mph NW | 77% | 0 | |
| 6 AM | Partly Cloudy | 54° | 45° | 12% | 10 mph NW | 79% | 0 | |
| 7 AM | Sunny | 56° | 45° | 8% | 10 mph NW | 74% | 0 | |
| 8 AM | Sunny | 59° | 45° | 5% | 12 mph NW | 66% | 1 | |
| 9 AM | Sunny | 61° | 48° | 3% | 12 mph NNW | 58% | 1 | |
| 10 AM | Sunny | 65° | 50° | 2% | 12 mph NW | 49% | 2 | |
| 11 AM | Sunny | 68° | 53° | 1% | 13 mph NW | 41% | 2 | |
| 12 PM | Sunny | 70° | 55° | 1% | 13 mph NW | 35% | 6 | |
| 1 PM | Sunny | 72° | 57° | 1% | 14 mph NW | 32% | 7 | |
| 2 PM | Sunny | 74° | 58° | 1% | 14 mph NW | 32% | 6 | |
| 3 PM | Sunny | 75° | 59° | 1% | 15 mph NW | 32% | 5 | |
| 4 PM | Sunny | 75° | 60° | 1% | 13 mph NW | 34% | 4 | |
| 5 PM | Sunny | 76° | 62° | 1% | 12 mph NW | 37% | 2 | |
| 6 PM | Sunny | 75° | 62° | 1% | 10 mph WNW | 42% | 1 | |
| 7 PM | Sunny | 71° | 59° | 2% | 8 mph WNW | 50% | 0 | |
| 8 PM | Sunny | 66° | 54° | 4% | 7 mph W | 60% | 0 | |
| 9 PM | Clear | 62° | 52° | 4% | 6 mph W | 60% | 0 | |
| 10 PM | Clear | 60° | 50° | 4% | 5 mph WNW | 61% | 0 | |
| 11 PM | Clear | 58° | 49° | 5% | 4 mph NW | 65% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Ottawa today?
Will it rain in Ottawa tonight?
When is the UV index highest in Ottawa today?
Ottawa hour-by-hour: what to expect
Over the next 24 hours in Ottawa, temperatures range from 57°F (14°C) around 6 AM up to 82°F (28°C) near 7 PM - right in line with the typical July high of 80°F (27°C).
Precipitation is a real possibility: the chance of rain peaks at 55% around 11 AM. UV reaches 8 (1 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Ottawa 14-day forecast or the monthly climate averages.