Londonderry, Vermont Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Londonderry weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain52%0.77″83°68°—
- SundayJul 5Overcast——79°63°-4°
- MondayJul 6Light Drizzle51%—71°58°-8°
- TuesdayJul 7Overcast59%—73°55°+2°
- WednesdayJul 8Overcast18%—83°53°+10°
- ThursdayJul 9Overcast27%—85°61°+2°
- FridayJul 10Light Drizzle51%0.01″79°64°-6°
AQI 43 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 46. Overcast through the UV peak window (cloud cover ~74%) — 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 ~74%) — afternoon ozone should stay flat.
- Present
- AQI 46
- UV peak
- 8.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 24
PM × Wind × Precip
PM2.5 at 6.1 µg/m³, PM10 at 6.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- breezy
- 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
- 10:50 PM
- Moonset
- 9:50 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Londonderry at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 05148
16-Day Forecast — Londonderry
- Sat83°68°52%
- Sun79°63°3%
- Mon71°58°51%
- Tue73°55°59%
- Wed83°53°18%
- Thu85°61°27%
- Fri79°64°51%
- Sat81°60°29%
- Sun72°57°20%
- Mon66°54°38%
- Tue69°55°33%
- Wed87°61°33%
- Thu89°67°30%
- Fri84°69°34%
- Sat82°63°24%
- Sun79°56°32%
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 — Londonderry
SPC includes Londonderry in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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.
ZIP codes in Londonderry
- 05148