San Sebastián, Puerto Rico Weather
First trades stir the ceiba canopy. Day 77 of spring. Read this microseason across nine climate regions →
San Sebastián weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Light Showers90%0.15″89°70°—
- FridayJun 5Light Showers92%0.09″89°70°0°
- SaturdayJun 6Thunderstorm100%0.13″89°71°0°
- SundayJun 7Thunderstorm100%0.05″87°72°-2°
- MondayJun 8Light Drizzle55%0.04″88°71°+1°
- TuesdayJun 9Light Drizzle78%0.04″86°71°-2°
- WednesdayJun 10Overcast63%—86°72°0°
PM scrubbed by 4 hours of recent rain — PM2.5 down to 11.5 µg/m³, PM10 to 20.2 µg/m³. AQI up 10 over the last 6 hours (gradual rise).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 11.5 µg/m³, PM10 to 20.2 µg/m³.
- PM2.5/PM10
- 0.57
- Wind
- calm
- Recent rain
- 4h in last 6h
- Pattern
- washed out
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 1:59 AM
- Moonset
- 1:17 PM
- In sign
- ♒︎ Aquarius
First trades stir the ceiba canopy
San Sebastián at a glance
- Today vs. normal: 18°F below the seasonal normal for this latitude
- Last frost: December 7 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.