Sherman, Connecticut Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Sherman weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Drizzle69%0.05″80°70°—
- MondayJul 6Light Rain82%0.35″69°63°-11°
- TuesdayJul 7Light Drizzle87%0.03″68°58°-1°
- WednesdayJul 8Overcast19%—84°54°+16°
- ThursdayJul 9Overcast15%—88°60°+4°
- FridayJul 10Heavy Drizzle43%0.04″78°65°-10°
- SaturdayJul 11Overcast30%—83°58°+5°
AQI 41 (Good), driven by PM2.5. AQI up 12 over the last 6 hours (gradual rise). PM2.5 at 13.1 µg/m³ (AQI 58) with a 0.94 fine-to-coarse ratio and 4 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 48 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 48
- UV peak
- 1.5 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 13.1 µg/m³ (AQI 58) with a 0.94 fine-to-coarse ratio and 4 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
- 11:12 PM
- Moonset
- 11:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Sherman at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 06784
16-Day Forecast — Sherman
- Sun80°70°69%
- Mon69°63°82%
- Tue68°58°87%
- Wed84°54°19%
- Thu88°60°15%
- Fri78°65°43%
- Sat83°58°30%
- Sun82°59°19%
- Mon85°65°20%
- Tue75°63°16%
- Wed78°62°19%
- Thu72°60°29%
- Fri86°60°23%
- Sat86°63°23%
- Sun76°62°25%
- Mon67°65°32%
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.
SPC Convective Outlook
Storm Prediction Center — Sherman
SPC includes Sherman in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 186 of 365 · Wedge 37 of 72
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
Sherman peaks at about 70°F in July and bottoms near 25°F in January; December brings the heaviest rain (5.0 inches) and February the least (3.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 25° | 3.9″ | 8 |
| February | 28° | 3.0″ | 7 |
| March | 35° | 4.2″ | 7 |
| April | 47° | 3.5″ | 8 |
| May | 57° | 4.1″ | 9 |
| June | 65° | 4.6″ | 8 |
| July | 70° | 4.2″ | 8 |
| August | 68° | 4.9″ | 7 |
| September | 61° | 4.9″ | 6 |
| October | 50° | 4.2″ | 7 |
| November | 40° | 3.9″ | 6 |
| December | 31° | 5.0″ | 8 |
Frequently asked
- When does it freeze in Sherman?
- Frost typically leaves Sherman by mid-April and returns to Sherman near mid-November.
- What is the rainy season in Sherman?
- Rainfall in Sherman peaks in December near 5.0 inches, out of about 50 inches annually.
- What is the warmest month in Sherman?
- Sherman peaks in July, when the mean runs near 70°F.
- What is the coldest month in Sherman?
- January is Sherman's coldest month, averaging about 25°F.
- When can I start a vegetable garden in Sherman?
- Around mid-April, start frost-hardy crops in Sherman; tomatoes and basil belong a fortnight later.
- How many rainy days does Sherman get?
- Sherman averages about 87 days with measurable rain or snow each year.
- What hardiness zone is Sherman?
- Since January in Sherman averages 25°F, Sherman's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Sherman?
- Sherman's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Sherman?
- See this week's day-by-day rain chances for Sherman in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Sherman?
- Current conditions for Sherman and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Sherman forecast updated?
- The Sherman forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Sherman?
- Today's sunrise and sunset times for Sherman are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Sherman?
- The next few days in Sherman's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Sherman, Connecticut, the warm-summer humid continental climate runs from about 25°F in January to 70°F in July, a 45°F seasonal range.
Across the year, Sherman collects about 50 inches of precipitation over roughly 87 days with measurable rain or snow.
From 41.6°N, Sherman sees a 45°F seasonal swing that governs Sherman's planting and frost windows.
ZIP codes in Sherman
- 06784