Fall River, Massachusetts Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Fall River weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——83°55°—
- FridayJun 5Overcast——86°58°+3°
- SaturdayJun 6Overcast23%—88°61°+2°
- SundayJun 7Showers69%0.02″84°57°-4°
- MondayJun 8Overcast23%—73°52°-11°
- TuesdayJun 9Partly Cloudy——76°49°+3°
- WednesdayJun 10Partly Cloudy——73°54°-3°
Ozone at AQI 44 now. AQI down 18 over the last 6 hours — air quality is improving sharply. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 20 by mid-afternoon.
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 44 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 20 by mid-afternoon.
- Present
- AQI 44
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 20
PM × Wind × Precip
PM2.5 at 6.0 µg/m³ (AQI 33) with a 0.72 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- Wind
- light
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:17 AM
- Moonset
- 12:37 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Fall River at a glance
- Today vs. normal: 18°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 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 — Fall River
SPC has placed Fall River 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.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Fall River's warmest month is July with a mean near 72°F, and its coldest is January at roughly 30°F. Precipitation reaches its high point in March at 4.8 inches and drops to its low in July at 3.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 3.7″ | 7 |
| February | 31° | 3.0″ | 6 |
| March | 38° | 4.8″ | 7 |
| April | 47° | 4.0″ | 7 |
| May | 57° | 3.3″ | 7 |
| June | 66° | 3.6″ | 7 |
| July | 72° | 3.0″ | 6 |
| August | 71° | 3.8″ | 6 |
| September | 63° | 3.6″ | 6 |
| October | 53° | 4.6″ | 7 |
| November | 43° | 4.3″ | 7 |
| December | 35° | 4.1″ | 7 |
Regional context
Fall River belongs to a warm-summer humid continental climate region — a grouping of cities that share comparable temperature ranges, seasonal shifts, and growing conditions.
Similar climates: Boston, MA, Worcester, MA, Springfield, MA, New Bedford, MA, Cambridge, MA.
Naturalist notes
Red-winged blackbirds have returned to the Taunton River edges and cattail marshes, with males staking out territory through late May.
Common milkweed stems are knee-high by mid-May in unmowed lots, leafing out just as monarch butterflies arrive from their northward migration.
Frequently asked
- When does it freeze in Fall River?
- The last spring frost in Fall River usually occurs around mid-April, and the first fall frost lands around mid-November.
- What is the rainy season in Fall River?
- March is the wettest month, averaging about 4.8 inches of rain; the city receives roughly 46 inches per year.
- What is the warmest month in Fall River?
- July is usually the warmest month, with an average around 72°F.
- What is the coldest month in Fall River?
- January is typically the coldest month, averaging about 30°F.
- When can I start a vegetable garden in Fall River?
- Cool-season crops such as peas and lettuce can be planted near the last spring frost (mid-April); warm-season crops like tomatoes and peppers go in 1–2 weeks later.
- How many rainy days does Fall River get?
- Fall River sees about 78 rainy days annually.
- What hardiness zone is Fall River?
- Fall River's USDA hardiness zone is based on its lowest average winter temperature; check the USDA's online tool with the city ZIP for the current designation.
Climate
Fall River, Massachusetts occupies a warm-summer humid continental climate zone. January mean temperatures rarely climb above 30°F, while July averages 72°F — a seasonal swing of 42°F.
Over the course of a year, the city collects about 46 inches of precipitation across roughly 78 rainy days.
Latitude (41.7°N), nearby water bodies, and local elevation set the annual rhythm — they steer what can grow, when frost is likely, and how daily weather unfolds.