South Deerfield, Massachusetts Weather
Fireflies rise from the lawn. Day 78 of spring. Read this microseason across nine climate regions →
South Deerfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Partly Cloudy——86°50°—
- FridayJun 5Overcast——86°59°0°
- SaturdayJun 6Light Showers43%—85°62°-1°
- SundayJun 7Light Showers54%—76°54°-9°
- MondayJun 8Overcast23%—81°46°+5°
- TuesdayJun 9Overcast——86°53°+5°
- WednesdayJun 10Overcast11%—89°57°+3°
Ozone at AQI 46. AQI up 11 over the last 6 hours (gradual rise). Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
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 46. Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
- Present
- AQI 46
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
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
- 3:56 AM
- Moonset
- 1:48 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
South Deerfield at a glance
- Today vs. normal: 4°F below the seasonal normal for this latitude
- Last frost: May 1 (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 — South Deerfield
SPC has placed South Deerfield 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.