New Boston, New Hampshire Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
New Boston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle36%—86°72°—
- SundayJul 5Overcast——85°65°-1°
- MondayJul 6Light Drizzle51%0.02″74°60°-11°
- TuesdayJul 7Rain70%1.2″60°56°-14°
- WednesdayJul 8Overcast47%—75°56°+15°
- ThursdayJul 9Overcast14%—89°60°+14°
- FridayJul 10Overcast44%—85°66°-4°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.4 µg/m³, PM10 at 7.9 µg/m³ — typical background levels with no transport signature.
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 41 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 41
- UV peak
- 0.7 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 41
PM × Wind × Precip
PM2.5 at 7.4 µg/m³, PM10 at 7.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- light
- 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
- 10:45 PM
- Moonset
- 9:46 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
New Boston at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 03070
16-Day Forecast — New Boston
- Sat86°72°36%
- Sun85°65°4%
- Mon74°60°51%
- Tue60°56°70%
- Wed75°56°47%
- Thu89°60°14%
- Fri85°66°44%
- Sat79°66°25%
- Sun69°63°31%
- Mon72°62°24%
- Tue82°60°27%
- Wed84°58°22%
- Thu85°63°45%
- Fri89°62°32%
- Sat91°67°26%
- Sun85°72°33%
Forecast data from Open-Meteo (CC BY 4.0).
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 — New Boston
SPC has placed New Boston in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3NONENo severe 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.
ZIP codes in New Boston
- 03070