Cities / United States / Massachusetts

21°

☁️ Union Square weather

Overcast. .

Feels like 22° Wind 9 km/h SW Humidity 82% Pressure 1009 hPa UV 0 Air Fair ☀ 05:49 - 19:48

Right now it is 21° in Union Square with overcast skies and today's high is 28° with an overnight low of 20°. The sun rises at 05:49 and sets at 19:48, giving 13h 59m of daylight. Over the coming week highs range from 25° to 32°.

Union Square is in Massachusetts, United States, sitting 13 m above sea level, with a population of about 14,000. Local time is America/New_York (UTC−4), and every time on this page is shown in it.

Next 24 hours - temperature

18° 24° 29° 28° 19° 03:00 · 20.7° · 0 mm 04:00 · 20.4° · 0 mm 05:00 · 19.7° · 0 mm 06:00 · 19.5° · 0 mm 07:00 · 20° · 0 mm 08:00 · 20° · 0 mm 09:00 · 21.1° · 0 mm 10:00 · 22.8° · 0 mm 11:00 · 24.8° · 0 mm 12:00 · 24.4° · 0 mm 13:00 · 24.2° · 0 mm 14:00 · 26.5° · 0 mm 15:00 · 27.2° · 0 mm 16:00 · 27.8° · 0 mm 17:00 · 28.2° · 0 mm 18:00 · 24.9° · 0 mm 19:00 · 25.5° · 0 mm 20:00 · 21.7° · 0 mm 21:00 · 20.7° · 0 mm 22:00 · 20.4° · 0 mm 23:00 · 20° · 0 mm 00:00 · 19.6° · 0 mm 01:00 · 19.3° · 0 mm 02:00 · 18.7° · 0 mm

Precipitation

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

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
03:00 ☁️ 20.7° 23.2° - Overcast
04:00 ☁️ 20.4° 20.7° - Overcast
05:00 ☁️ 19.7° 20.6° - Overcast
06:00 ⛅ 19.5° 21° - Partly cloudy
07:00 ☁️ 20° 21.1° - Overcast
08:00 ☁️ 20° 20.8° - Overcast
09:00 ⛅ 21.1° 22° - Partly cloudy
10:00 🌤️ 22.8° 24.2° - Mostly clear
11:00 ☀️ 24.8° 25.6° - Clear sky
12:00 ☁️ 24.4° 25.2° - Overcast
13:00 ☁️ 24.2° 25.4° - Overcast
14:00 ☁️ 26.5° 26.4° - Overcast

Next 16 days

Today☁️ 28°20° Fri 14☀️ 28°17° Sat 15☀️ 26°16° Sun 16🌧️ 27°16°7.8mm Mon 17🌧️ 27°19°2.2mm Tue 18⛅ 25°19° Wed 19☁️ 32°19° Thu 20☁️ 30°20° Fri 21🌤️ 30°18° Sat 22🌦️ 31°21°2.4mm Sun 23☀️ 26°17° Mon 24☀️ 27°14° Tue 25🌦️ 28°16°3.9mm Wed 26☀️ 25°17° Thu 27☀️ 25°15° Fri 28☀️ 0°0°
☁️ TodayAugust 13th Avg 23° Low 20° at 06:00 High 28° at 17:00 Wind ~14 km/h
Cloudy Cloudy
00:00 23°
02:00 21°
04:00 20°
06:00 20°
08:00 20°
10:00 23°
12:00 24°
14:00 27°
16:00 28°
18:00 25°
20:00 22°
22:00 20°
☀️ FridayAugust 14th Avg 22° Low 17° at 06:00 High 28° at 15:00 Feels 25° Wind ~20 km/h
Clear Clear Cloudy
00:00 20°
02:00 19°
04:00 18°
06:00 17°
08:00 20°
10:00 23°
12:00 26°
14:00 27°
16:00 27°
18:00 27°
20:00 23°
22:00 21°
☀️ SaturdayAugust 15th Avg 21° Low 16° at 06:00 High 26° at 14:00 Feels 24° Wind ~13 km/h
Clear Clear Cloudy
00:00 20°
02:00 18°
04:00 17°
06:00 16°
08:00 18°
10:00 22°
12:00 25°
14:00 26°
16:00 26°
18:00 23°
20:00 21°
22:00 19°
🌧️ SundayAugust 16th Avg 20° Low 16° at 06:00 High 27° at 12:00 7.8 mm rain Feels 25° Wind ~23 km/h
Clear Cloudy Rain
00:00 18°
02:00 17°
04:00 16°
06:00 16°
08:00 20°
10:00 25°
12:00 27°
14:00 25°
16:00 22°
18:00 22°
20:00 19° 0.5mm
22:00 18° 3.9mm
🌧️ MondayAugust 17th Avg 22° Low 19° at 00:00 High 27° at 13:00 2.2 mm rain Wind ~15 km/h
Rain Cloudy Rain
00:00 19° 1.1mm
02:00 19° 0.1mm
04:00 19°
06:00 19°
08:00 20°
10:00 23°
12:00 26°
14:00 27°
16:00 24°
18:00 22°
20:00 22°
22:00 21° 0.1mm
⛅ TuesdayAugust 18th Avg 21° Low 19° at 04:00 High 25° at 14:00 Wind ~14 km/h
Clear Partly Cloudy Cloudy
00:00 20°
02:00 19°
04:00 19°
06:00 19°
08:00 21°
10:00 22°
12:00 24°
14:00 25°
16:00 23°
18:00 21°
20:00 20°
22:00 20°
☁️ WednesdayAugust 19th Avg 25° Low 19° at 03:00 High 32° at 16:00 Wind ~13 km/h
Cloudy Partly Cloudy Cloudy
00:00 20°
02:00 19°
04:00 19°
06:00 20°
08:00 21°
10:00 25°
12:00 29°
14:00 31°
16:00 32°
18:00 30°
20:00 27°
22:00 24°
☁️ ThursdayAugust 20th Avg 23° Low 20° at 05:00 High 30° at 14:00 Feels 28° Wind ~14 km/h
Partly Cloudy Cloudy Clear
00:00 23°
02:00 21°
04:00 20°
06:00 20°
08:00 21°
10:00 24°
12:00 27°
14:00 30°
16:00 26°
18:00 23°
20:00 22°
22:00 21°
🌤️ FridayAugust 21st Avg 23° Low 18° at 05:00 High 30° at 14:00 Wind ~18 km/h
Clear Cloudy
00:00 20°
02:00 19°
04:00 18°
06:00 18°
08:00 21°
10:00 25°
12:00 29°
14:00 30°
16:00 28°
18:00 25°
20:00 23°
22:00 22°
🌦️ SaturdayAugust 22nd Avg 25° Low 21° at 23:00 High 31° at 14:00 2.4 mm rain Wind ~14 km/h
Cloudy Rain Partly Cloudy Rain
00:00 22°
02:00 22°
04:00 21°
06:00 22°
08:00 23°
10:00 26° 0.1mm
12:00 29° 0.1mm
14:00 31° 0.1mm
16:00 30°
18:00 27° 0.2mm
20:00 22° 0.2mm
22:00 21° 0.4mm
☀️ SundayAugust 23rd Avg 22° Low 17° at 23:00 High 26° at 14:00 Feels 22° Wind ~19 km/h
Partly Cloudy Clear
00:00 20°
02:00 20°
04:00 19°
06:00 19°
08:00 21°
10:00 23°
12:00 25°
14:00 26°
16:00 26°
18:00 24°
20:00 20°
22:00 18°
☀️ MondayAugust 24th Avg 20° Low 14° at 05:00 High 27° at 16:00 Feels 24° Wind ~14 km/h
Clear Partly Cloudy Clear
00:00 17°
02:00 15°
04:00 14°
06:00 14°
08:00 17°
10:00 21°
12:00 24°
14:00 26°
16:00 27°
18:00 25°
20:00 20°
22:00 18°
🌦️ TuesdayAugust 25th Avg 22° Low 16° at 04:00 High 28° at 17:00 3.9 mm rain Wind ~24 km/h
Clear Rain
00:00 17°
02:00 17°
04:00 16°
06:00 17°
08:00 21°
10:00 25°
12:00 26°
14:00 26°
16:00 28° 0.1mm
18:00 26° 0.9mm
20:00 22° 0.9mm
22:00 21° 0.3mm
☀️ WednesdayAugust 26th Avg 20° Low 17° at 23:00 High 25° at 11:00 Feels 23° Wind ~20 km/h
Clear
00:00 20°
02:00 20°
04:00 19°
06:00 19°
08:00 20°
10:00 24°
12:00 24°
14:00 20°
16:00 22°
18:00 21°
20:00 19°
22:00 18°
☀️ ThursdayAugust 27th Avg 20° Low 15° at 05:00 High 25° at 13:00 Feels 22° Wind ~16 km/h
Clear
00:00 17°
02:00 16°
04:00 15°
06:00 15°
08:00 18°
10:00 22°
12:00 24°
14:00 25°
16:00 24°
18:00 22°
20:00 19°
22:00 18°
☀️ FridayAugust 28th Avg 22° Low 0° at 04:00 High 0° at 14:00 Feels 26° Wind ~19 km/h
Clear Unknown
00:00 17°
02:00 16°
04:00 16°
06:00 16°
08:00 19°
10:00 24°
12:00 27°
14:00 28°
16:00 28°
18:00 25°
20:00 21°
22:00 0°

Sun

☀️ Sunrise 05:49 · Sunset 19:48

13h 59m of daylight · America/New_York

Air quality

PM2.5 12.9 µg/m³ - Fair

Fine for almost everyone; unusually sensitive people may notice it on a long run.

Source: Copernicus CAMS, updated hourly.

Nearby

Prospect Hill · 0.5 km Cambridge · 0.9 km Somerville · 0.9 km Inner Belt · 1.1 km Sommerville · 1.1 km Mid-Cambridge · 1.2 km

Tools for Union Square

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

Common questions about Union Square weather

Will it rain in Union Square today?

No rain is in the forecast for Union Square today.

What is the temperature in Union Square right now?

It is 21° in Union Square right now. Today runs between a low of 20° and a high of 28°.

What time is sunrise and sunset in Union Square?

The sun rises at 05:49 and sets at 19:48 local time in Union Square today, giving 13h 59m of daylight.

What is the air quality in Union Square?

PM2.5 in Union Square is currently 12.9 µg/m³, which counts as Fair on the European air-quality index. Fine for almost everyone; unusually sensitive people may notice it on a long run.

How accurate is the Union Square 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 Union Square 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.

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