Cities / United States / Massachusetts

27°

☁️ Chelmsford weather

Overcast. .

Feels like 27° Wind 8 km/h W Humidity 35% Pressure 1019 hPa UV 0 Air Good ☀ 06:09 - 19:21

Right now it is 27° in Chelmsford with overcast skies and today's high is 28° with an overnight low of 15°. The sun rises at 06:09 and sets at 19:21, giving 13h 12m of daylight. Over the coming week highs range from 21° to 28°.

Chelmsford is in Massachusetts, United States, sitting 75 m above sea level, with a population of about 34,000. Local time is America/New_York (UTC−4), and every time on this page is shown in it.

Next 24 hours - temperature

17° 23° 28° 28° 17° 14:00 · 26.6° · 0 mm 15:00 · 27.2° · 0 mm 16:00 · 27.7° · 0 mm 17:00 · 27.3° · 0 mm 18:00 · 26.8° · 0 mm 19:00 · 25.2° · 0 mm 20:00 · 21.6° · 0 mm 21:00 · 21.3° · 0 mm 22:00 · 20.9° · 0 mm 23:00 · 21.1° · 0 mm 00:00 · 20.9° · 0 mm 01:00 · 20.3° · 0 mm 02:00 · 19.4° · 0 mm 03:00 · 18.7° · 0 mm 04:00 · 19.4° · 0 mm 05:00 · 19.7° · 0 mm 06:00 · 19.5° · 0 mm 07:00 · 19.1° · 0 mm 08:00 · 19.2° · 4 mm 09:00 · 18.6° · 5.4 mm 10:00 · 18.2° · 6.1 mm 11:00 · 17.5° · 0.7 mm 12:00 · 17.4° · 0 mm 13:00 · 17.2° · 0.4 mm

Precipitation

14:00 · 0 mm 14:00 15:00 · 0 mm 16:00 · 0 mm 17:00 · 0 mm 17:00 18:00 · 0 mm 19:00 · 0 mm 20:00 · 0 mm 20:00 21:00 · 0 mm 22:00 · 0 mm 23:00 · 0 mm 23:00 00:00 · 0 mm 01:00 · 0 mm 02:00 · 0 mm 02:00 03:00 · 0 mm 04:00 · 0 mm 05:00 · 0 mm 05:00 06:00 · 0 mm 07:00 · 0 mm 08:00 · 4 mm 08:00 09:00 · 5.4 mm 10:00 · 6.1 mm 11:00 · 0.7 mm 11:00 12:00 · 0 mm 13:00 · 0.4 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
14:00 ☁️ 26.6° 25° - Overcast
15:00 🌤️ 27.2° 25.8° - Mostly clear
16:00 ☀️ 27.7° 25.8° - Clear sky
17:00 ☀️ 27.3° 26° - Clear sky
18:00 ☀️ 26.8° 25.8° - Clear sky
19:00 ☀️ 25.2° 24.6° - Clear sky
20:00 ☀️ 21.6° 20.2° - Clear sky
21:00 ☁️ 21.3° 20.2° - Overcast
22:00 ☁️ 20.9° 20.2° - Overcast
23:00 ☁️ 21.1° 20.5° - Overcast
00:00 ⛅ 20.9° 20° - Partly cloudy
01:00 ☀️ 20.3° 19.5° - Clear sky

Next 16 days

Today☀️ 28°15° Tue 1🌧️ 21°15°19.2mm Wed 2☁️ 21°14° Thu 3🌧️ 26°16°13.6mm Fri 4☁️ 28°17°0.1mm Sat 5☀️ 23°16°0.3mm Sun 6⛅ 22°13° Mon 7⛅ 26°12° Tue 8☁️ 28°15° Wed 9🌦️ 29°16°0.6mm Thu 10☁️ 26°16° Fri 11☁️ 26°14° Sat 12⛅ 29°14° Sun 13☀️ 30°17° Mon 14☀️ 22°16° Tue 15⛅ 31°21°
☀️ TodayAugust 31st Avg 22° Low 15° at 06:00 High 28° at 16:00 Feels 26° Wind ~12 km/h
Clear Clear Cloudy
00:00 23°
02:00 20°
04:00 17°
06:00 15°
08:00 18°
10:00 23°
12:00 24°
14:00 27°
16:00 28°
18:00 27°
20:00 22°
22:00 21°
🌧️ TuesdaySeptember 1st Avg 18° Low 15° at 23:00 High 21° at 00:00 19.2 mm rain Wind ~18 km/h
Cloudy Rain Rain Cloudy
00:00 21°
02:00 19°
04:00 19°
06:00 20°
08:00 19° 4mm
10:00 18° 6.1mm
12:00 17°
14:00 17° 1.8mm
16:00 16° 0.4mm
18:00 16°
20:00 16°
22:00 16°
☁️ WednesdaySeptember 2nd Avg 18° Low 14° at 03:00 High 21° at 11:00 Wind ~13 km/h
Clear Cloudy
00:00 15°
02:00 14°
04:00 14°
06:00 15°
08:00 17°
10:00 20°
12:00 21°
14:00 21°
16:00 21°
18:00 20°
20:00 19°
22:00 17°
🌧️ ThursdaySeptember 3rd Avg 20° Low 16° at 01:00 High 26° at 17:00 13.6 mm rain Feels 29° Wind ~15 km/h
Cloudy Rain Cloudy Rain Cloudy
00:00 18°
02:00 17°
04:00 17°
06:00 18° 2.9mm
08:00 19° 0.2mm
10:00 20° 0.1mm
12:00 21°
14:00 22° 0.3mm
16:00 25° 1.7mm
18:00 25° 1.3mm
20:00 22° 0.1mm
22:00 21°
☁️ FridaySeptember 4th Avg 22° Low 17° at 22:00 High 28° at 13:00 0.1 mm rain Wind ~10 km/h
Cloudy Cloudy Clear
00:00 20°
02:00 20°
04:00 19°
06:00 18°
08:00 20°
10:00 24° 0.1mm
12:00 27°
14:00 26°
16:00 28°
18:00 23°
20:00 20°
22:00 17°
☀️ SaturdaySeptember 5th Avg 19° Low 16° at 23:00 High 23° at 11:00 0.3 mm rain Feels 20° Wind ~20 km/h
Clear Cloudy Rain Cloudy
00:00 19°
02:00 18°
04:00 17°
06:00 17°
08:00 18°
10:00 22°
12:00 23°
14:00 21°
16:00 19°
18:00 18° 0.1mm
20:00 17° 0.1mm
22:00 16°
⛅ SundaySeptember 6th Avg 17° Low 13° at 23:00 High 22° at 15:00 Feels 19° Wind ~16 km/h
Cloudy Partly Cloudy Cloudy Partly Cloudy Clear
00:00 16°
02:00 16°
04:00 16°
06:00 15°
08:00 15°
10:00 18°
12:00 21°
14:00 22°
16:00 22°
18:00 20°
20:00 15°
22:00 14°
⛅ MondaySeptember 7th Avg 19° Low 12° at 04:00 High 26° at 14:00 Wind ~13 km/h
Partly Cloudy Clear Partly Cloudy Cloudy
00:00 13°
02:00 12°
04:00 12°
06:00 12°
08:00 15°
10:00 21°
12:00 25°
14:00 26°
16:00 26°
18:00 23°
20:00 19°
22:00 18°
☁️ TuesdaySeptember 8th Avg 20° Low 15° at 04:00 High 28° at 15:00 Feels 25° Wind ~14 km/h
Clear Cloudy
00:00 17°
02:00 16°
04:00 15°
06:00 15°
08:00 17°
10:00 22°
12:00 26°
14:00 27°
16:00 28°
18:00 25°
20:00 20°
22:00 18°
🌦️ WednesdaySeptember 9th Avg 21° Low 16° at 04:00 High 29° at 16:00 0.6 mm rain Feels 27° Wind ~9 km/h
Cloudy Rain Cloudy
00:00 17°
02:00 16°
04:00 16°
06:00 16°
08:00 18°
10:00 22° 0.1mm
12:00 25° 0.1mm
14:00 28° 0.1mm
16:00 29°
18:00 27°
20:00 23°
22:00 20°
☁️ ThursdaySeptember 10th Avg 20° Low 16° at 05:00 High 26° at 14:00 Feels 24° Wind ~15 km/h
Cloudy Partly Cloudy
00:00 18°
02:00 17°
04:00 16°
06:00 16°
08:00 18°
10:00 23°
12:00 25°
14:00 26°
16:00 25°
18:00 23°
20:00 19°
22:00 18°
☁️ FridaySeptember 11th Avg 19° Low 14° at 05:00 High 26° at 14:00 Feels 24° Wind ~13 km/h
Clear Partly Cloudy Cloudy
00:00 16°
02:00 15°
04:00 14°
06:00 14°
08:00 16°
10:00 21°
12:00 25°
14:00 26°
16:00 25°
18:00 22°
20:00 18°
22:00 16°
⛅ SaturdaySeptember 12th Avg 21° Low 14° at 04:00 High 29° at 15:00 Wind ~9 km/h
Cloudy Clear Clear
00:00 15°
02:00 14°
04:00 14°
06:00 14°
08:00 17°
10:00 22°
12:00 27°
14:00 29°
16:00 29°
18:00 27°
20:00 22°
22:00 20°
☀️ SundaySeptember 13th Avg 22° Low 17° at 04:00 High 30° at 14:00 Feels 28° Wind ~16 km/h
Clear
00:00 19°
02:00 18°
04:00 17°
06:00 17°
08:00 20°
10:00 25°
12:00 29°
14:00 30°
16:00 28°
18:00 24°
20:00 20°
22:00 18°
☀️ MondaySeptember 14th Avg 19° Low 16° at 04:00 High 22° at 11:00 Feels 25° Wind ~10 km/h
Clear
00:00 17°
02:00 17°
04:00 16°
06:00 16°
08:00 19°
10:00 21°
12:00 21°
14:00 19°
16:00 21°
18:00 22°
20:00 21°
22:00 21°
⛅ TuesdaySeptember 15th Avg 25° Low 21° at 23:00 High 31° at 14:00 Wind ~15 km/h
Clear Clear Partly Cloudy Clear
00:00 22°
02:00 22°
04:00 22°
06:00 22°
08:00 22°
10:00 25°
12:00 28°
14:00 31°
16:00 30°
18:00 27°
20:00 23°
22:00 22°

Sun

☀️ Sunrise 06:09 · Sunset 19:21

13h 12m of daylight · America/New_York

Air quality

PM2.5 7.4 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Chelmsford Center · 1.3 km Westlands · 2.8 km West Chelmsford · 3.2 km South Chelmsford · 3.3 km Ward Corner · 3.3 km Princeton Village · 3.6 km

Tools for Chelmsford

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Chelmsford weather

Will it rain in Chelmsford today?

No rain is in the forecast for Chelmsford today.

What is the temperature in Chelmsford right now?

It is 27° in Chelmsford right now. Today runs between a low of 15° and a high of 28°.

What time is sunrise and sunset in Chelmsford?

The sun rises at 06:09 and sets at 19:21 local time in Chelmsford today, giving 13h 12m of daylight.

What is the air quality in Chelmsford?

PM2.5 in Chelmsford is currently 7.4 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Chelmsford forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Chelmsford best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

This page is a live API demo.

Everything above came from one call to the WeatherMetro API - free tier, 100,000 calls a month.

Read the docs