Lake Berryessa Weather
Town • San Francisco Bay Area
Reservoir recreation area, very hot summers
82°
🙂
Comfort Score
80(B)
Great
Updated at 4:31 PM PDT
Current Conditions
Temperature
82°F
Feels like 82°F
Humidity
19%
Wind
10 mph
NW • Gusts 12 mph
Cloud Cover
0%
Precip Chance
0%
Comfort Breakdown
Temperature55
Wind75
Sunshine100
Humidity75
Precipitation100
Hourly Forecast
Today
| Time | Temp | Comfort | Wind | Precip | Conditions |
|---|---|---|---|---|---|
| Now | 82° | 80 (B) | 11 mph | 0% | ☀️ Sunny |
| 5pm | 82° | 81 (B) | 9 mph | 0% | ☀️ Sunny |
| 6pm | 79° | 84 (B) | 16 mph | 0% | ☀️ Sunny |
| 7pm | 75° | 84 (B) | 17 mph | 0% | ☀️ Sunny |
| 8pm | 70° | 87 (A-) | 13 mph | 0% | ☀️ Sunny |
| 9pm | 67° | 81 (B) | 8 mph | 0% | ☁️ Cloudy |
| 10pm | 64° | 80 (B) | 6 mph | 0% | ☁️ Cloudy |
| 11pm | 63° | 75 (B) | 7 mph | 0% | ⛅ Partly Cloudy |
Tomorrow
| Time | Temp | Comfort | Wind | Precip | Conditions |
|---|---|---|---|---|---|
| 12am | 61° | 71 (B-) | 7 mph | 0% | ☁️ Cloudy |
| 1am | 60° | 70 (B-) | 9 mph | 0% | ☁️ Cloudy |
| 2am | 59° | 71 (B-) | 7 mph | 0% | ☁️ Cloudy |
| 3am | 58° | 81 (B) | 9 mph | 0% | ☀️ Sunny |
Weather Maps
Satellite
GOES-West Visible
Radar
Precipitation
3D Fog Map
View marine layer conditions in 3D
10 mph
Gusts 12 mph
Wind
Coming soon
7-Day Forecast
| Day | High/Low | Comfort | Precip | Conditions |
|---|---|---|---|---|
| Today🏆 Best | 82° / 57° | 78 (B) | 0% | ☀️ Sunny |
| Sun | 74° / 56° | 77 (B) | 0% | ☀️ Sunny |
| Mon | 83° / 59° | 64 (C) | 0% | ☀️ Sunny |
| Tue | 93° / 57° | 72 (B-) | 0% | ☀️ Sunny |
| Wed | 90° / 60° | 73 (B-) | 0% | ☀️ Sunny |
| Thu | 95° / 61° | 72 (B-) | 0% | ☀️ Sunny |
| Fri | 91° / 57° | 72 (B-) | 0% | ☀️ Sunny |
Best day this week: Today (Comfort score: 78)
Nearby Temperature Comparison
Conditions at nearby Bay Area destinations
Boggs Mountain Demonstration State Forest29 mi
65°17°F cooler83 (B)
Robert Louis Stevenson State Park22 mi
66°16°F cooler92 (A-)
Sugarloaf Ridge State Park19 mi
70°12°F cooler91 (A-)
Angwin12 mi
71°11°F cooler88 (A-)
Wooden Valley14 mi
72°10°F cooler94 (A-)
American Canyon30 mi
74°8°F cooler85 (A-)
Tip: Bay Area temps can vary 20-30°F within a short distance due to microclimates.
Climate Dashboard
Current conditions vs. NOAA normals and recent destination baseline
Today's High vs Normal
82°Fforecast
2° above normal
Normal: 81°F
Rainfall Year-to-Date
11.3"
34% below average
30-yr avg: 17.2"
Sunny Days
22last 28 days
3 fewer than baseline
Recent baseline: 25
Foggy Days
1last 28 days
About average
Avg Wind Speed
8.3 mphlast 28 days
1.6 mph windier than baseline
Recent baseline: 6.7 mph
Comfort Score
8928-day avg
5 pts below typical
Recent baseline: 94
Historical Climate Data
Long-term weather patterns and climate data
Data sources: NOAA URMA for recent temperature history, NOAA Stage IV for recent precipitation, NOAA HRRR for fog, cloud, wind, humidity, and sunshine signals, and NOAA 1991-2020 climate normals for long-term baselines.
Climate Trends
Average Temperature by Month
Average High
Average Low
Climate Overview
Based on NOAA 30-year temperature/rain normals (1991-2020) with recent fog/sun baseline
85
Avg Comfort
75.8°
Avg High
46.7°
Avg Low
76%
Perfect Days
☀️ Avg Sunshine (recent)8.5h/day
🌫️ Avg Fog (recent)0.8h/day
💧 Avg Annual Rain27.1"
🌧️ Rainy Days/yr87 (24%)
🌫️ Foggy Days/yr (recent)43
✨ Perfect Days (80+)415
🌟 Best Months to Visit
1. May84
80.5° / 49.7° · ☀️ 12.5h
0 foggy days · 6 rainy days
2. April77
72.5° / 44.6° · ☀️ 9.6h
1 foggy days · 6 rainy days
3. June74
89° / 54.9° · ☀️ 12.9h
0 foggy days · 5 rainy days
⚠️ Challenging Months
1. December29
57.3° / 36.8° · ☀️ 4.9h
💧 6.2" · 11 rainy days · 15 foggy days
2. January46
57.5° / 37° · ☀️ 7h
💧 6.2" · 11 rainy days · 4 foggy days
3. February51
61.9° / 39.6° · ☀️ 6.4h
💧 5.6" · 11 rainy days · 4 foggy days
Monthly Breakdown
| Month | Comfort | High/Low | ☀️ Sun | 🌫️ Fog | 💧 Rain | Perfect |
|---|---|---|---|---|---|---|
| October 2024 | 94 | 62.8° / 48.5° | 9h | 0d | 0.05" | 2 |
| November 2024 | 78 | 62.1° / 48.1° | 6.2h | 3d | 7.58" | 20 |
| December 2024 | 71 | 59.4° / 46.5° | 5.1h | 13d | 6.29" | 12 |
| January 2025 | 82 | 59.8° / 45° | 7.4h | 2d | 0.3" | 21 |
| February 2025 | 75 | 59.7° / 45° | 6.3h | 4d | 8.17" | 16 |
| March 2025 | 82 | 60.7° / 46.2° | 7.5h | 2d | 2.19" | 20 |
| April 2025 | 93 | 68.3° / 50° | 9.8h | 1d | 0.26" | 27 |
| May 2025 | 95 | 76.9° / 55.6° | 12.5h | 0d | 0.02" | 31 |
| June 2025 | 94 | 82.9° / 58.9° | 12.9h | 0d | 0" | 30 |
| July 2025 | 94 | 84.6° / 60.3° | 12.6h | 0d | 0" | 31 |
| August 2025 | 90 | 89.5° / 64° | 11.5h | 0d | 0" | 31 |
| September 2025 | 92 | 82.4° / 63.8° | 9.7h | 0d | 0.02" | 28 |
| October 2025 | 88 | 71.9° / 55.9° | 7.5h | 2d | 2.26" | 26 |
| November 2025 | 82 | 64.4° / 51.5° | 6.5h | 10d | 4.06" | 17 |
| December 2025 | 69 | 57.7° / 46.5° | 4.8h | 17d | 4.96" | 10 |
| January 2026 | 80 | 62° / 45.7° | 6.5h | 5d | 4.1" | 22 |
| February 2026 | 80 | 62.1° / 46.8° | 6.4h | 4d | 3.7" | 17 |
| March 2026 | 95 | 74.7° / 53° | 9.8h | 0d | 0" | 31 |
| April 2026 | 88 | 67.1° / 50.9° | 9.5h | 1d | 3.49" | 23 |
Last updated: 5/11/2026
Location Details
📍
Coordinates
38.6061, -122.2253
⛰️
Elevation
440 ft
🏷️
Type
Town
🏷️
Tags
#sunny#hot#swimming#boating
Map
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