Hourly Weather Forecast - Arnprior, Ontario, CA

12 AM
15°F
20%
4mph
SSW
Cloudy
Humidity
80%
Feels like
8°F
Dew Point
10°F
1 AM
15°F
20%
4mph
S
Cloudy
Humidity
80%
Feels like
8°F
Dew Point
11°F
2 AM
16°F
20%
5mph
SSE
Cloudy
Humidity
81%
Feels like
8°F
Dew Point
11°F
3 AM
16°F
20%
5mph
SSE
Cloudy
Humidity
81%
Feels like
8°F
Dew Point
11°F
4 AM
16°F
30%
5mph
SE
30% Chance of Flurries
Humidity
82%
Feels like
8°F
Dew Point
11°F
5 AM
16°F
30%
6mph
SE
30% Chance of Snow
Humidity
82%
Feels like
8°F
Dew Point
12°F
6 AM
17°F
30%
6mph
SE
30% Chance of Snow
Humidity
82%
Feels like
8°F
Dew Point
12°F
7 AM
17°F
30%
7mph
SE
30 % Chance of Heavy Snow
Humidity
82%
Feels like
8°F
Dew Point
13°F
7:43 AM
8 AM
18°F
30%
7mph
SE
30% Chance of Heavy Snow
Humidity
83%
Feels like
8°F
Dew Point
14°F
9 AM
19°F
30%
8mph
SE
30% Chance of Heavy Snow
Humidity
85%
Feels like
9°F
Dew Point
15°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide