San Juan, Puerto Rico Hourly Forecast
San Juan temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 3 PM - around 87°
- Coolest hour: 6 AM - around 79°
- Highest rain chance: 12 PM (51%) - pack accordingly
- UV peak: 12 PM at index 10 - sun protection recommended
- Windiest: 3 PM at 16 mph
San Juan hourly weather - Monday, October 5
In San Juan, expect a high near 87°F (30°C) around 3 PM and a low of 81°F (27°C) near 10 PM; precipitation risk peaks at 24% around 6 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 3 PM | Sunny | 87° | 94° | 4% | 16 mph E | 62% | 6 | |
| 4 PM | Sunny | 86° | 94° | 5% | 15 mph E | 66% | 3 | |
| 5 PM | Patchy rain nearby | 85° | 93° | 14% | 14 mph E | 70% | 1 | |
| 6 PM | Patchy rain nearby | 84° | 92° | 24% | 13 mph ESE | 75% | 0 | |
| 7 PM | Overcast | 82° | 89° | 22% | 12 mph ESE | 79% | 0 | |
| 8 PM | Overcast | 82° | 88° | 22% | 10 mph ESE | 81% | 0 | |
| 9 PM | Patchy rain nearby | 81° | 87° | 17% | 10 mph ESE | 82% | 0 | |
| 10 PM | Patchy rain nearby | 81° | 87° | 22% | 10 mph ESE | 82% | 0 | |
| 11 PM | Patchy rain nearby | 81° | 87° | 22% | 9 mph SE | 82% | 0 |
San Juan hourly weather - Tuesday, October 6
In San Juan, expect a high near 86°F (30°C) around 2 PM and a low of 79°F (26°C) near 6 AM; precipitation risk peaks at 51% around 12 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 81° | 86° | 10% | 8 mph SE | 82% | 0 | |
| 1 AM | Partly Cloudy | 81° | 86° | 12% | 9 mph SE | 82% | 0 | |
| 2 AM | Patchy rain nearby | 80° | 86° | 24% | 10 mph SE | 83% | 0 | |
| 3 AM | Patchy rain nearby | 80° | 85° | 26% | 9 mph SE | 84% | 0 | |
| 4 AM | Overcast | 80° | 84° | 25% | 8 mph SE | 84% | 0 | |
| 5 AM | Patchy rain nearby | 79° | 84° | 27% | 7 mph SE | 84% | 0 | |
| 6 AM | Patchy rain nearby | 79° | 84° | 27% | 7 mph SE | 84% | 0 | |
| 7 AM | Light rain shower | 80° | 85° | 42% | 8 mph SE | 82% | 0 | |
| 8 AM | Cloudy | 82° | 87° | 19% | 7 mph SE | 78% | 1 | |
| 9 AM | Patchy rain nearby | 83° | 90° | 20% | 8 mph ESE | 73% | 3 | |
| 10 AM | Patchy rain nearby | 85° | 92° | 10% | 10 mph ESE | 68% | 6 | |
| 11 AM | Patchy rain nearby | 86° | 93° | 22% | 12 mph E | 67% | 9 | |
| 12 PM | Light drizzle | 86° | 94° | 51% | 13 mph E | 67% | 10 | |
| 1 PM | Light rain shower | 86° | 94° | 46% | 14 mph E | 66% | 10 | |
| 2 PM | Cloudy | 86° | 94° | 10% | 14 mph E | 66% | 8 | |
| 3 PM | Overcast | 86° | 94° | 16% | 15 mph E | 66% | 5 | |
| 4 PM | Patchy rain nearby | 86° | 93° | 17% | 15 mph E | 67% | 2 | |
| 5 PM | Light drizzle | 84° | 92° | 43% | 14 mph E | 70% | 1 | |
| 6 PM | Overcast | 83° | 90° | 20% | 12 mph ESE | 75% | 0 | |
| 7 PM | Overcast | 82° | 88° | 22% | 11 mph ESE | 78% | 0 | |
| 8 PM | Overcast | 82° | 88° | 20% | 11 mph E | 78% | 0 | |
| 9 PM | Overcast | 81° | 87° | 23% | 11 mph ESE | 80% | 0 | |
| 10 PM | Overcast | 81° | 87° | 23% | 11 mph ESE | 80% | 0 | |
| 11 PM | Patchy rain nearby | 81° | 86° | 27% | 11 mph ESE | 81% | 0 |
San Juan hourly weather - Wednesday, October 7
In San Juan, expect a high near 86°F (30°C) around 1 PM and a low of 79°F (26°C) near 11 PM; precipitation risk peaks at 29% around 10 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 81° | 86° | 26% | 11 mph ESE | 80% | 0 | |
| 1 AM | Patchy rain nearby | 81° | 86° | 26% | 11 mph ESE | 79% | 0 | |
| 2 AM | Patchy rain nearby | 80° | 85° | 23% | 11 mph ESE | 79% | 0 | |
| 3 AM | Overcast | 80° | 84° | 22% | 10 mph ESE | 79% | 0 | |
| 4 AM | Patchy rain nearby | 80° | 84° | 28% | 8 mph ESE | 80% | 0 | |
| 5 AM | Patchy rain nearby | 80° | 84° | 24% | 8 mph SE | 80% | 0 | |
| 6 AM | Patchy rain nearby | 80° | 84° | 24% | 8 mph SE | 80% | 0 | |
| 7 AM | Patchy rain nearby | 80° | 84° | 25% | 7 mph SE | 79% | 0 | |
| 8 AM | Patchy rain nearby | 81° | 86° | 20% | 7 mph SE | 76% | 1 | |
| 9 AM | Cloudy | 83° | 89° | 12% | 8 mph ESE | 69% | 3 | |
| 10 AM | Partly Cloudy | 85° | 91° | 7% | 10 mph E | 65% | 6 | |
| 11 AM | Patchy rain nearby | 86° | 93° | 14% | 12 mph E | 66% | 9 | |
| 12 PM | Overcast | 86° | 93° | 16% | 13 mph E | 65% | 10 | |
| 1 PM | Overcast | 86° | 94° | 15% | 15 mph E | 65% | 10 | |
| 2 PM | Overcast | 86° | 94° | 16% | 16 mph E | 65% | 8 | |
| 3 PM | Overcast | 86° | 93° | 16% | 16 mph E | 65% | 5 | |
| 4 PM | Overcast | 86° | 92° | 16% | 16 mph E | 66% | 2 | |
| 5 PM | Overcast | 85° | 92° | 17% | 15 mph E | 68% | 1 | |
| 6 PM | Overcast | 83° | 89° | 20% | 14 mph ESE | 73% | 0 | |
| 7 PM | Overcast | 82° | 87° | 21% | 13 mph ESE | 78% | 0 | |
| 8 PM | Overcast | 81° | 86° | 23% | 12 mph ESE | 80% | 0 | |
| 9 PM | Overcast | 80° | 85° | 24% | 11 mph ESE | 81% | 0 | |
| 10 PM | Patchy rain nearby | 80° | 84° | 29% | 11 mph ESE | 82% | 0 | |
| 11 PM | Patchy rain nearby | 79° | 84° | 26% | 10 mph SE | 82% | 0 |
Quick answers for the hours ahead
What is the warmest hour in San Juan today?
Will it rain in San Juan tonight?
When is the UV index highest in San Juan today?
San Juan hour-by-hour: what to expect
Over the next 24 hours in San Juan, temperatures range from 79°F (26°C) around 6 AM up to 87°F (30°C) near 3 PM - right in line with the typical October high of 87°F (30°C).
Precipitation is a real possibility: the chance of rain peaks at 51% around 12 PM. Wind picks up to 16 mph (26 km/h) from the E near 3 PM. UV reaches 10 (12 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 San Juan 14-day forecast or the monthly climate averages.