Oswego, New York Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Oswego weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Overcast——74°45°—
- ThursdayJun 4Overcast——78°50°+4°
- FridayJun 5Light Drizzle——81°55°+3°
- SaturdayJun 6Drizzle62%0.06″77°57°-4°
- SundayJun 7Foggy57%—69°56°-8°
- MondayJun 8Mostly Clear——77°51°+8°
- TuesdayJun 9Partly Cloudy——81°56°+4°
Ozone at AQI 45. AQI up 11 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~91%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~91%) — afternoon ozone should stay flat.
- Present
- AQI 45
- UV peak
- 0.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 5.2 µg/m³ (AQI 29) with a 1.00 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 1.00
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:10 AM
- Moonset
- 11:49 AM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Oswego at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: May 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 3, 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.