Lopez Lake

Lopez Lake

Arroyo Grande, San Luis Obispo County, CA
2mi²
146.00ft
Directions
Lake Information

Located in the rolling hills of San Luis Obispo County, California, Lopez Lake Recreation Area is a popular destination for outdoor enthusiasts seeking adventure and relaxation. The lake itself boasts 22 miles of shoreline, offering plenty of opportunities for camping, fishing, boating, and other water sports. With summer lake temperatures hovering around 70 degrees Fahrenheit, visitors can enjoy a refreshing swim or simply soak up the California sun on the sandy beaches. The park's scenic surroundings are also a draw for nature lovers. The hills around the lake were once covered by the sea, and visitors can still find fossils and other relics of ancient times. The area is dotted with oak trees, and over 175 species of flowering plants have been identified in the park. More than 150 species of birds also call the park home, making it a prime location for birdwatchers. Hikers and mountain bikers can explore the park's many trails, which wind through rolling hills and offer stunning views of the lake and surrounding landscape. In addition to outdoor activities, Lopez Lake Recreation Area also offers a variety of amenities for visitors. The park has several picnic areas and group shelters, making it an ideal location for family outings and group events. The park also features a zip-line course, which allows visitors to soar above the trees and take in panoramic views of the lake and surrounding hills. For those looking to relax, the park has a marina and a general store, where visitors can rent boats and buy snacks, drinks, and other essentials. Overall, Lopez Lake Recreation Area is a must-visit destination for anyone seeking a fun and relaxing outdoor adventure in the Central Coast of California. Whether you're camping with friends and family, fishing for trout and bass, or simply enjoying the natural beauty of the area, there is something for everyone at Lopez Lake.

Read more

Current Conditions

82°F°
Feels like 84°F°
MostlyClear
Today's High
79°F°
Today's Low
51°F°

Water Temperature

66°F
Updated: (May 8)
Sign in to contribute temps.

Current water temperature for Lopez Lake is 66°F.

Current Snapshot

Wind5 mph WSW (Gust 9 mph)
Pressure
29.86 inHg
Visibility23 mi
Humidity41%
Cloud Cover18%

Forecast: Sunday, May 11

Day 1 of 9

Hourly Insights

7 AM
57°F°
10 AM
75°F°
1 PM
78°F°
4 PM
74°F°

Temperature

High
79°F°
Low
51°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

6mph
Avg Speed
Gusts up to
19mph
CalmModerateStrong
Max Speed11 mph

Sun, Moon & UV

Sunrise1:00 PM
Sunset2:56 AM
Moon PhasewaxingGibbous
Max UV Index9 (Very High)

Solunar Fishing Forecast

Action Rating
4/5

Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)

Major Times (Best)

7:00 AM - 7:00 AM

2:32 PM - 5:02 PM

Minor Times (Good)

1:57 AM - 3:27 AM

11:40 AM - 12:00 AM

Outlook for Sunday at Lopez Lake

Expect temperatures ranging from 51°F to 79°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 6 mph, with potential gusts reaching up to 19 mph. The maximum UV index will be 9 (Very High), so plan sun protection accordingly. For anglers, today's fishing action is rated 4/5 (Todays action is rated a 4 (scale is 0 thru 5, 5 is the best)). Look for the best bite times during the major periods around 7:00 AM and 2:32 PM, or try the minor windows near 1:57 AM and 11:40 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Lopez Lake.

Lake Map Views

LakeMonster PRO

Try Premium Features

Find the fishing sweet spots! See detailed temperature readings throughout your lake.

No credit card required for preview

May 10th 2025

Lake Information

Elevation
146 ft
Area
2 mi²
Coordinates
35.191, -120.463

Weather Forecast

Sunday

79°F
51°F

Monday

64°F
47°F

Tuesday

65°F
43°F

Wednesday

72°F
44°F

Thursday

72°F
47°F

Friday

69°F
49°F

Saturday

67°F
49°F

Sunday

71°F
49°F

Monday

78°F
51°F
Sunday - 5/11/2025
79°F
51°F
12am
55°F
66°F
29.92 hPa
2 mph
NE
G: 3 mph
2am
52°F
66°F
29.91 hPa
1 mph
N
G: 2 mph
4am
51°F
66°F
29.90 hPa
2 mph
NNE
G: 2 mph
6am
55°F
66°F
29.90 hPa
6 mph
N
G: 10 mph
8am
63°F
66°F
29.90 hPa
6 mph
N
G: 13 mph
10am
75°F
66°F
29.92 hPa
6 mph
NNW
G: 10 mph
12pm
79°F
66°F
29.92 hPa
9 mph
WNW
G: 14 mph
2pm
78°F
66°F
29.91 hPa
10 mph
W
G: 19 mph
4pm
74°F
66°F
29.91 hPa
10 mph
W
G: 19 mph
6pm
68°F
66°F
29.91 hPa
9 mph
W
G: 16 mph
8pm
60°F
66°F
29.93 hPa
5 mph
WSW
G: 11 mph
10pm
54°F
66°F
29.98 hPa
2 mph
SW
G: 5 mph

Water Temperature History

Trends for Lopez Lake

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

50°F

On Jan 1

Coldest point in the Last 12 Months.

Average in Period

62°F

Typical temp during the Last 12 Months.

Temperature Trend: Last 12 Months

Surface temperature over the selected period.

Key Observations (Last 12 Months)

  • Warmest avg: September (76°F).
  • Coolest avg: January (53°F).
  • Rapid warming often occurs: April → May (+9°F).
  • Sharpest cooling trend: September → October (-12°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

Wind Direction

50°

Pressure

1013 mb

Cloud Cover

43%

Visibility

19 miles

Daily Pressure Forecast

Go Premium
Better lake days, better fishing, better you with LakeMonster Pro
Relaxing app background
LakeMonster App Icon
Get a 7 day free trial

Frequently Asked Questions About Lopez Lake

Get accurate, up-to-date information about conditions at Lopez Lake.