Chelmsford weather
At 11:00 PM local time it was clear and 3°C (37°F). Little to no rain in the next 24 hours. Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Chelmsford, Massachusetts, United States.
Current conditions
- Clouds
- 0%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Chelmsford weather
Is it raining in Chelmsford right now?
No. It’s clear and 3° right now. Little to no rain in the next 24 hours.
What’s the weather like in Chelmsford this week?
Over the next 7 days, expect highs of 12–22° and lows of 0–12°. Rain is likely on 1 of 7 days (Friday). The driest day looks like Saturday.
Has it been raining in Chelmsford lately?
Barely. The past 7 days were mostly dry, with 0.0 mm of rain in total.
What should I pack for Chelmsford?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Chelmsford weather by month
When is the best time to visit Chelmsford?
Based on weather alone, the best time to visit Chelmsford is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from 1°C (33°F) in January to 28°C (82°F) in July.
What is the rainiest month in Chelmsford?
October is the wettest month, with about 123 mm (4.8 in) of rain on average. January is the driest, with about 80 mm (3.1 in).
What is the hottest month in Chelmsford?
July is the warmest, with average highs of 28°C (82°F) and lows of 17°C (63°F). January is the coolest, with highs of 1°C (33°F) and lows of -8°C (18°F).
Does Chelmsford have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is October at about 123 mm (4.8 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months