East Sandwich, Massachusetts Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
East Sandwich weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——81°56°—
- FridayJun 5Overcast——85°60°+4°
- SaturdayJun 6Light Drizzle14%—85°62°0°
- SundayJun 7Light Showers72%0.07″77°55°-8°
- MondayJun 8Overcast15%—67°54°-10°
- TuesdayJun 9Overcast——79°57°+12°
- WednesdayJun 10Overcast——84°63°+5°
PM2.5/PM10 ratio 0.66 with 12 mph wind — characteristic of long-range haze transport rather than a local source. AQI up 11 over the last 6 hours (gradual rise).
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 50 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 9 by mid-afternoon.
- Present
- AQI 50
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5/PM10 ratio 0.66 with 12 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.66
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- transport
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
- 3:46 AM
- Moonset
- 1:41 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
East Sandwich at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 26 (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 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.
SPC Convective Outlook
Storm Prediction Center — East Sandwich
SPC has placed East Sandwich in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
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.