Cascade Locks, Oregon Weather by Month

Cascade Locks, Oregon, is a small city located in Hood River County in the north-central part of the state. It lies within the United States and is part of the Pacific Northwest region, known for its lush forests, majestic mountains, and stunning waterways. Cascade Locks is situated along the Columbia River, providing a scenic backdrop and serving as a gateway to the Columbia River Gorge, a renowned natural area famous for its breathtaking views and outdoor recreational opportunities.

Geographically, Cascade Locks is positioned approximately 40 miles east of Portland, Oregon, and about 20 miles west of Hood River, Oregon. The city is nestled in the Cascade Range, with the Columbia River forming its northern boundary. The terrain is characterized by steep, forested hillsides, rocky outcrops, and the flowing waters of the Columbia River.

As of the latest census, Cascade Locks has a population of around 1,200 residents. The city covers an area of about 3.1 square miles, offering a small-town atmosphere with a close-knit community. Cascade Locks is known for its strategic location along the Columbia River, making it an important hub for transportation and trade historically, particularly during the era of the steamboat and the construction of the Cascade Locks and Canal.

One of the most notable companies in Cascade Locks is the Thunder Island Brewing Company, which attracts both locals and visitors with its craft beers and scenic location. While Cascade Locks does not host major universities within its borders, it is in proximity to institutions such as Columbia Gorge Community College and Portland State University, which provide educational opportunities for residents.

Major landmarks in Cascade Locks include the Bridge of the Gods, an iconic steel truss bridge that spans the Columbia River, connecting Oregon to Washington State. Another significant landmark is the Cascade Locks Marine Park, which offers boat access to the river, picnic areas, and the historic locks. The Pacific Crest Trail, a famous long-distance hiking trail, also passes through Cascade Locks, making it a popular stop for hikers.

Climate and Weather Overview

Cascade Locks, Oregon, experiences a temperate maritime climate, characterized by mild, wet winters and warm, dry summers. The city’s weather is influenced by its location in the Pacific Northwest and the Columbia River Gorge, leading to significant variations in temperature and precipitation throughout the year.

Table of Average Monthly Weather Data

Month Average High (°F) Average Low (°F) Average Precipitation (inches) Average Sunny Days
January 41 31 8.5 8
February 45 32 6.5 9
March 52 36 6.9 10
April 59 40 4.8 13
May 66 46 3.1 17
June 72 51 2.2 19
July 81 56 1.0 23
August 81 56 1.3 21
September 75 51 2.0 18
October 63 44 5.3 12
November 50 37 9.2 8
December 42 32 9.9 7

Weather by Month


January in Cascade Locks is typically the coldest month of the year. Average high temperatures are around 41°F, with lows dropping to 31°F. Precipitation is relatively high at 8.5 inches, often in the form of rain and occasional snow. The city experiences around 8 sunny days, making it possible to enjoy winter outdoor activities such as hiking on the Pacific Crest Trail or visiting the Cascade Locks Marine Park. Indoor activities, like visiting local breweries or exploring the Cascade Locks Historical Museum, are also popular during this cold month.


February remains cold, with average high temperatures of 45°F and lows of 32°F. Rain and occasional snow continue to fall, with an average precipitation of 6.5 inches. Sunny days are similar to January, providing opportunities for outdoor exploration. Residents and visitors often engage in winter sports and indoor cultural activities. The clear skies and crisp air make it a great time for photography and birdwatching.


March marks the beginning of the transition from winter to spring, with average high temperatures rising to 52°F and lows increasing to 36°F. Precipitation levels remain high at about 6.9 inches, mainly in the form of rain. The increasing daylight and warming temperatures make it a good time for early spring activities like hiking and birdwatching. Local parks and trails start to see more visitors as the landscape begins to green up.


April brings more significant signs of spring, with average high temperatures reaching 59°F and lows around 40°F. Rainfall decreases to 4.8 inches, and the number of sunny days increases. This is a month of rapid change in the landscape, with budding trees and blooming flowers. Gardening and outdoor projects become popular activities, and local farmers begin preparing their fields for planting. The Columbia River Gorge becomes a hotspot for visitors eager to experience the awakening of nature.


May sees a substantial warming trend, with average high temperatures of 66°F and lows of 46°F. Rainfall remains relatively low at 3.1 inches, promoting lush growth. The pleasant weather makes it ideal for outdoor activities such as picnicking, biking, and attending local festivals and events. Farmers markets begin to open, offering fresh, locally grown produce. The town hosts various outdoor concerts and community gatherings, making it a vibrant month for social activities.


June is the start of summer, with average high temperatures reaching 72°F and lows around 51°F. Precipitation levels are at 2.2 inches, and the number of sunny days increases. This is a popular month for outdoor activities like swimming, boating, and fishing in the Columbia River. Community events, such as outdoor concerts and fairs, provide ample opportunities to enjoy the warm weather. The town’s parks are bustling with activity, and local trails are popular for hiking and biking.


July is the warmest month in Cascade Locks, with average high temperatures of 81°F and lows of 56°F. Rainfall is at 1.0 inch, often due to occasional thunderstorms. The warm and dry conditions are perfect for summer sports, barbecues, and spending time at local lakes and rivers. Independence Day celebrations are a highlight, with fireworks and parades bringing the community together. Outdoor activities such as hiking, biking, and visiting local attractions are popular as residents and visitors enjoy the height of summer.


August remains warm, with average high temperatures of 81°F and lows of 56°F. Rainfall is slightly higher at 1.3 inches, typically from thunderstorms. The consistent warmth and long days make it a perfect time for outdoor activities like hiking, camping, and enjoying local parks. As the end of summer approaches, many families take vacations and participate in back-to-school events. The town’s parks and recreational areas remain busy, and local farmers markets continue to thrive.


September sees the beginning of fall, with average high temperatures dropping to 75°F and lows to 51°F. Rainfall is at 2.0 inches, and the number of sunny days decreases slightly. The cooler temperatures and changing foliage make it an excellent time for outdoor activities such as hiking, visiting pumpkin patches, and enjoying fall festivals. Hiking and biking trails are popular as the landscape transforms with vibrant autumn colors. The Cascade Locks Fall Festival is a highlight of the month.


October brings cooler temperatures, with average highs of 63°F and lows of 44°F. Rainfall increases to 5.3 inches. The fall foliage reaches its peak, providing stunning scenery for outdoor activities. Halloween events, corn mazes, and hayrides are popular pastimes. The crisp weather is perfect for hiking and enjoying the natural beauty of the region. Local farms and orchards host seasonal events, drawing both residents and visitors.


November marks the transition to winter, with average high temperatures of 50°F and lows of 37°F. Rainfall is at 9.2 inches, and the number of sunny days decreases. The weather becomes more unpredictable, with a mix of rain and the first snowfall of the season. Residents begin preparing for winter, with activities shifting to indoor hobbies and holiday preparations. The town’s holiday season kicks off with various events and markets, creating a festive atmosphere.


December brings cold temperatures, with average highs of 42°F and lows of 32°F. Rainfall increases to 9.9 inches, and the town often experiences several significant rain events. Holiday celebrations and events dominate the month, with residents participating in tree lighting ceremonies, holiday markets, and festive gatherings. Winter sports and indoor activities become the focus as the community settles in for the winter season. The Cascade Locks Historical Museum and other local attractions offer warm, indoor experiences for visitors.

Natural Disasters

Cascade Locks, Oregon, can experience various natural disasters. The most common are severe winter storms and occasional flooding, particularly in the winter and spring. Wildfires, while less frequent, can occur during the dry summer months, particularly in late summer and early fall. It is important for residents to stay informed and prepared for these events, with local authorities providing guidance and emergency services.

Recommended Activities

Each month in Cascade Locks offers unique opportunities for both indoor and outdoor activities. Winter months are ideal for visiting local museums and cozy indoor hobbies, while spring and fall provide excellent conditions for hiking, gardening, and enjoying the changing seasons. Summer is perfect for water activities, community events, and outdoor recreation. No matter the time of year, Cascade Locks’ residents and visitors can find ways to connect with nature and each other, enjoying the rich seasonal diversity that the city offers.

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