Thermalito Forebay

Thermalito Forebay

Thermalito, Butte County, CA
1mi²
ft
Directions
Lake Information

Thermalito Forebay is a 630-acre reservoir located in Butte County, California. The reservoir was formed in 1957 with the construction of the Oroville Dam on the Feather River. Thermalito Forebay serves as a regulating reservoir for hydroelectric power generation and also provides irrigation water to farmers in the area. The lake is a popular recreational spot for fishing, boating, and other water activities. The Thermalito Forebay is situated in the foothills of the Sierra Nevada Mountains, providing a scenic backdrop to the lake. The lake is surrounded by rolling hills, grassy meadows, and towering trees, making it an ideal location for picnicking, camping, and hiking. Visitors can explore the hiking trails that wind around the lake and offer stunning views of the surrounding landscape. The trails are suitable for all levels of hikers, from beginner to experienced, and provide a great opportunity to experience the natural beauty of the area. Fishing is a popular activity at Thermalito Forebay, with the lake stocked with a variety of fish species including bass, catfish, and trout. The lake's warm waters and ample fish populations make it an excellent spot for both recreational and competitive fishing. The lake is also a popular destination for boating enthusiasts, with boats available for rent at the nearby marina. Visitors can enjoy water skiing, jet skiing, and other water activities on the lake's calm waters. Overall, Thermalito Forebay is an ideal location for outdoor enthusiasts and those seeking a peaceful getaway. The lake's natural beauty, recreational opportunities, and diverse wildlife make it a must-visit destination for those exploring the Butte County region. Whether hiking the trails, fishing the waters, or simply enjoying a picnic with family and friends, the Thermalito Forebay offers a serene and enjoyable experience for all.

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Current Conditions

78°F°
Feels like 76°F°
Cloudy
Today's High
80°F°
Today's Low
54°F°

Water Temperature

54°F
Updated: (Apr 27)
Sign in to contribute temps.

Current water temperature for Thermalito Forebay is 54°F.

Current Snapshot

Wind7 mph WNW (Gust 11 mph)
Pressure
30.02 inHg
Visibility34 mi
Humidity29%
Cloud Cover91%

Forecast: Tuesday, Apr 29

Day 1 of 9

Hourly Insights

7 AM
55°F°
10 AM
66°F°
1 PM
76°F°
4 PM
80°F°

Temperature

High
80°F°
Low
54°F°

Precipitation

Chance0%
Amount0.00"
Typeclear

Wind

4mph
Avg Speed
Gusts up to
11mph
CalmModerateStrong
Max Speed7 mph

Sun, Moon & UV

Sunrise1:09 PM
Sunset2:58 AM
Moon PhasewaxingCrescent
Max UV Index7 (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)

9:32 PM - 12:02 AM

7:00 AM - 7:00 AM

Minor Times (Good)

1:39 PM - 3:09 PM

7:00 AM - 7:00 AM

Outlook for Tuesday at Thermalito Forebay

Expect temperatures ranging from 54°F to 80°F. Skies look mostly clear with little chance of precipitation. Winds will be averaging 4 mph, with potential gusts reaching up to 11 mph. The maximum UV index will be 7 (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 9:32 PM and 7:00 AM, or try the minor windows near 1:39 PM and 7:00 AM for potential early morning or evening action. Check back for the latest conditions and forecasts for Thermalito Forebay.

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April 29th 2025

Lake Information

Elevation
N/A
Area
1 mi²
Coordinates
39.519, -121.624

Weather Forecast

Tuesday

80°F
54°F

Wednesday

84°F
56°F

Thursday

85°F
56°F

Friday

79°F
55°F

Saturday

64°F
54°F

Sunday

74°F
51°F

Monday

79°F
51°F

Tuesday

79°F
56°F

Wednesday

76°F
54°F
Tuesday - 4/29/2025
80°F
54°F
12am
61°F
54°F
30.07 hPa
4 mph
ENE
G: 5 mph
2am
59°F
54°F
30.08 hPa
5 mph
SE
G: 6 mph
4am
57°F
54°F
30.07 hPa
2 mph
NE
G: 2 mph
6am
54°F
54°F
30.05 hPa
2 mph
NE
G: 5 mph
8am
59°F
54°F
30.07 hPa
3 mph
SSE
G: 4 mph
10am
66°F
54°F
30.07 hPa
4 mph
SSW
G: 7 mph
12pm
73°F
54°F
30.05 hPa
5 mph
SSW
G: 8 mph
2pm
78°F
54°F
30.00 hPa
3 mph
SSW
G: 7 mph
4pm
80°F
54°F
29.95 hPa
4 mph
SSE
G: 6 mph
6pm
79°F
54°F
29.93 hPa
6 mph
SE
G: 7 mph
8pm
73°F
54°F
29.91 hPa
5 mph
ESE
G: 5 mph
10pm
69°F
54°F
29.94 hPa
7 mph
E
G: 11 mph

Water Temperature History

Trends for Thermalito Forebay

Current Temp

Sign in to view

Latest recorded surface temperature.

Lowest in Period

39°F

On Dec 15

Coldest point in the Last 12 Months.

Average in Period

58°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: July (77°F).
  • Coolest avg: December (45°F).
  • Rapid warming often occurs: April → May (+11°F).
  • Sharpest cooling trend: October → November (-10°F).

Weather Forecast

Wind speed and pressure trends

Hourly Wind Forecast

12am1am2am3am4am5am6am7am8am9am10am11am12pm1pm2pm3pm4pm5pm6pm7pm8pm9pm10pm11pm036912

Wind Direction

75°

Pressure

1018 mb

Cloud Cover

20%

Visibility

21 miles

Daily Pressure Forecast

TueWedThuFriSatSunMonTueWed0.008.8617.7226.5835.44
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Frequently Asked Questions About Thermalito Forebay

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