Calais, Maine Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Calais weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Mostly Clear——79°56°—
- MondayJul 6Overcast——74°53°-5°
- TuesdayJul 7Overcast19%—73°52°-1°
- WednesdayJul 8Overcast12%—82°51°+9°
- ThursdayJul 9Overcast23%—88°58°+6°
- FridayJul 10Light Drizzle50%—80°61°-8°
- SaturdayJul 11Overcast15%—79°52°-1°
AQI 38 (Good), driven by PM2.5. AQI up 6 over the last 6 hours (gradual rise). PM2.5 at 10.8 µg/m³, PM10 at 11.2 µg/m³ — typical background levels with no transport signature.
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 36 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 32 around 1 PM.
- Present
- AQI 36
- UV peak
- 6.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 32
PM × Wind × Precip
PM2.5 at 10.8 µg/m³, PM10 at 11.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:50 PM
- Moonset
- 10:35 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Calais at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: May 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 04619
16-Day Forecast — Calais
- Sun79°56°3%
- Mon74°53°1%
- Tue73°52°19%
- Wed82°51°12%
- Thu88°58°23%
- Fri80°61°50%
- Sat79°52°15%
- Sun76°54°18%
- Mon74°50°17%
- Tue77°51°22%
- Wed64°59°28%
- Thu81°57°29%
- Fri81°55°39%
- Sat81°63°26%
- Sun82°52°17%
- Mon63°56°24%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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.
ZIP codes in Calais
- 04619