Callahan, Florida Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Callahan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——84°61°—
- FridayJun 5Overcast——86°64°+2°
- SaturdayJun 6Overcast——90°65°+4°
- SundayJun 7Overcast——94°67°+4°
- MondayJun 8Overcast——92°69°-2°
- TuesdayJun 9Overcast14%—92°71°0°
- WednesdayJun 10Overcast18%—88°73°-4°
Ozone at AQI 56 now. AQI up 21 in the last 6 hours — air quality is degrading. With UV 0.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 13 by mid-afternoon.
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 56 now. With UV 0.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 13 by mid-afternoon.
- Present
- AQI 56
- UV peak
- 0.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 7.8 µg/m³, PM10 at 11.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.70
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 3:28 AM
- Moonset
- 1:54 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Callahan at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: February 18 (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.