New York, NY 22° Los Angeles, CA 20° Chicago, IL 22° Houston, TX 28° Miami, FL 30° Phoenix, AZ 27° Seattle, WA 11° Denver, CO 23° Toronto, ON 19° Vancouver, BC 12°
WeatherLiveOntarioActon

Acton, ON Weather

Current WeatherActon · 10:51 AM EDT
24° | 14°
19°C
Feels like 20°
Partly cloudy
WindE 2 mph · Gusts 7 mph
Precip90% · 0.41 in
Humidity86% · Dew point 17°
UV index2 Low
Air Quality30 Good
Pressure30.09 inHg
Visibility6 mi
Sunrise / Sunset6:41 AM · 7:59 PM · 13h 18m

Weather map — Acton

Full radar →
Now
19°
32%
2 mph
11:00
22°
31%
4 mph
12:00
23°
30%
7 mph
13:00
24°
30%
13 mph
14:00
22°
37%
8 mph
15:00
23°
38%
8 mph
16:00
21°
0.03 in
7 mph
17:00
14°
0.16 in
4 mph
18:00
14°
0.07 in
3 mph
19:00
15°
0.08 in
2 mph
20:00
15°
65%
4 mph
21:00
16°
54%
4 mph
22:00
16°
54%
3 mph
23:00
16°
55%
2 mph
00:00
16°
42%
2 mph
01:00
16°
50%
2 mph
02:00
16°
53%
1 mph
03:00
16°
53%
4 mph
04:00
16°
58%
4 mph
05:00
16°
55%
4 mph
06:00
15°
56%
5 mph
07:00
15°
0.03 in
5 mph
08:00
15°
44%
5 mph
09:00
16°
44%
6 mph

Today · Sun 8/30

High 24°
90% / 0.41 in

Showers. Winds SW at 13 mph.

Tonight · Sun 8/30

Low 15°
54% / –

Fog. Winds SW at 4 mph.

Tomorrow · Mon 8/31

21° | 15°
92% / 0.21 in

Fog. Winds S at 8 mph.

7-day trend

Acton · temperature + precipitation

10-day forecast

Updated 10:51 AM

Details & indices

Wind
2 mph E
Gusts 7 mph
Humidity
86%
Dew point 17°
Pressure
30.09 inHg
Rising
UV index
2 — Low
High today
Air Quality
Good
AQI 30 · US EPA
Allergy
Low
Grass
Visibility
6 mi
Clear view
Allergy — Acton

🌿 Conditions right now

View all →
Birch
None
Grass
Low
Oak
None
Alder
None
Hazel
None
Mugwort
Low
Ragweed
Low

Sun & moon

Sunrise6:41 AM
Sunset7:59 PM
Length of day13h 18m
Moonrise8:52 PM
Moonset9:21 AM
Next full moonSep 26 Harvest Moon
Latitude43.6297°N
Longitude-80.0415°E

Water temps nearby

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No beaches within 50 miles
🌦️Dry now — rain moving in around 12:30 PM (99 min)
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Poor
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Toronto
Partly cloudy
19°
Ottawa
Mostly cloudy
20°
Mississauga
Partly cloudy
19°
Brampton
Partly cloudy
20°
Hamilton
Partly cloudy
22°
London
Partly cloudy
22°
Data sources · Sunday, August 30
Where the Acton forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 43.6297°N, -80.0415°.
NBM + global weather models
Updated: 10:51 AM
Weather in Acton
The 10-day span for Acton runs from a high near 32° on Wednesday down to 10° overnight on Monday. Models drop roughly 1.6 in of precipitation across the stretch — watch Monday (92%). Wind is the one to watch: gusts to 40 mph around Wednesday. No watches or warnings are active for the area right now. Right now Acton is running about 47° warmer than Toronto. Longer view: four full seasons with serious winter and real summer heat.
Acton, ON · Elev 1,145 ft · 43.63°N, 80.04°W · Ontario · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 10:51 AM