Waterville, Maine Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Waterville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast10%—85°59°—
- MondayJul 6Overcast——82°63°-3°
- TuesdayJul 7Overcast30%—73°54°-9°
- WednesdayJul 8Overcast15%—86°52°+13°
- ThursdayJul 9Overcast22%—90°59°+4°
- FridayJul 10Light Drizzle47%0.01″82°60°-8°
- SaturdayJul 11Overcast12%—82°51°0°
AQI 51 (Moderate), driven by PM2.5. AQI up 10 over the last 6 hours (gradual rise). PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.94 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
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 40 now. With UV 7.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 39 around 1 PM.
- Present
- AQI 40
- UV peak
- 7.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 39
PM × Wind × Precip
PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.94 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:58 PM
- Moonset
- 10:45 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Waterville at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 04901
16-Day Forecast — Waterville
- Sun85°59°10%
- Mon82°63°3%
- Tue73°54°30%
- Wed86°52°15%
- Thu90°59°22%
- Fri82°60°47%
- Sat82°51°12%
- Sun79°55°20%
- Mon79°51°17%
- Tue80°53°23%
- Wed89°65°27%
- Thu77°57°19%
- Fri88°58°32%
- Sat83°63°21%
- Sun83°55°29%
- Mon86°59°29%
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 Waterville
- 04901
- 04903