Lynn, Massachusetts Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lynn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain27%0.40″92°74°—
- SundayJul 5Overcast10%—79°66°-13°
- MondayJul 6Light Drizzle59%0.01″71°63°-8°
- TuesdayJul 7Rain65%1.1″63°59°-8°
- WednesdayJul 8Overcast39%—70°59°+7°
- ThursdayJul 9Overcast18%—88°59°+18°
- FridayJul 10Light Drizzle42%0.01″89°68°+1°
AQI 53 (Moderate), driven by Ozone. AQI up 10 over the last 6 hours (gradual rise). Ozone at AQI 119 now. With UV 8.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 93 around 1 PM.
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 119 now. With UV 8.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 93 around 1 PM.
- Present
- AQI 119
- UV peak
- 8.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 93
PM × Wind × Precip
PM2.5 at 10.5 µg/m³, PM10 at 11.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- Wind
- breezy
- 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
- 10:41 PM
- Moonset
- 9:43 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lynn at a glance
- Today vs. normal: 23°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 01901, 01902, 01904, 01905
16-Day Forecast — Lynn
- Sat92°74°27%
- Sun79°66°10%
- Mon71°63°59%
- Tue63°59°65%
- Wed70°59°39%
- Thu88°59°18%
- Fri89°68°42%
- Sat83°66°29%
- Sun72°64°15%
- Mon67°63°24%
- Tue79°61°25%
- Wed87°62°39%
- Thu88°65°23%
- Fri93°66°23%
- Sat97°72°23%
- Sun90°75°22%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Lynn
Right now in the garden
Peak growing season
As of July 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.
SPC Convective Outlook
Storm Prediction Center — Lynn
SPC has placed Lynn in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Lynn
- 01905
- 01904
- 01902
- 01901
- 01903
- 01910