Monterey, CA Weather
Monterey hourly forecast: next 24 hours
Today's high of 73°F (23°C) is about 8°F (4°C) above the typical August high of 65°F (18°C).
Current conditions in detail
Monterey weather tomorrow (Thursday, August 27)
Tomorrow in Monterey looks overcast, with a high of 86° and an overnight low of 60°. Rain is unlikely (7% chance). Winds top out near 10 mph, and the UV index reaches 9 (very high).
Monterey 14-day forecast
About the weather in Monterey
Monterey has one of the steadier climates in our dataset. Average highs move only 5°C across the whole year - from 58°F (15°C) in February to 67°F (20°C) in September - so the practical difference between seasons here is rainfall and daylight, not warmth.
Monterey weather: quick facts
- Hottest month: September - highs near 67°F (20°C)
- Coldest month: February - highs near 58°F (15°C)
- Decade extremes (2015-2024): 90°F (32°C) high · 36°F (2°C) low
- Wettest month: January (10 rainy days) · Sunniest: June (12.5 h sun/day)
- Climate type: oceanic
- Annual swing: 5°C between the average warmest and coolest month · day to night: 6°C
- Average humidity: 81%
Temperatures through the year
Between the average September and the average February lie 5°C, a narrower spread than about 86% of the cities we track. February sits at the other end of the year: 58°F (15°C) by day, 47°F (8°C) at night. September is the warm end of the year, averaging 67°F (20°C) by day and 56°F (14°C) overnight. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 90°F (32°C) and the lowest daily minimum 36°F (2°C). Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is August through October.
Rain, sun and snow
5 months average under 20 mm of rain, the longest unbroken stretch running June through October. June is the brightest month at 12.5 hours of sun a day, against an annual average of 10.2. January is the wettest month at 4.7 inches (120 mm) over 10 days; August is the driest.
Season by season
Spring (March through May)
Spring is crisp but comfortable here - highs near 59°F (15°C), nights near 49°F (10°C), and expect showers on roughly 20 days across the season. Daylight is generous - around 10.8 hours of sun a day.
Summer (June through August)
Through summer, Monterey is crisp but comfortable: 64°F (18°C) by day, 55°F (13°C) after dark, and precipitation is sparse, near 6 mm (0.2 in) for the season. Daylight is generous - around 12.0 hours of sun a day.
Fall (September through November)
Fall is mild here - highs near 65°F (18°C), nights near 54°F (12°C), and rain comes on about 10 days over the three months.
Winter (December through February)
Through winter, Monterey is mild: 58°F (15°C) by day, 47°F (9°C) after dark, and expect showers on roughly 28 days across the season.
Average temperatures in Monterey by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 58° | 48° | 10 | 4.7 in | 7.4 h/day | 79% |
| February | 58° | 47° | 8 | 3.3 in | 9.1 h/day | 75% |
| March | 58° | 48° | 12 | 4.0 in | 9.6 h/day | 79% |
| April | 58° | 49° | 5 | 1.3 in | 11.0 h/day | 81% |
| May | 59° | 51° | 4 | 0.8 in | 11.9 h/day | 83% |
| June | 62° | 53° | 1 | 0.1 in | 12.5 h/day | 84% |
| July | 63° | 55° | 0 | 0.1 in | 12.0 h/day | 87% |
| August | 65° | 56° | 0 | 0.0 in | 11.4 h/day | 87% |
| September | 67° | 56° | 1 | 0.2 in | 11.0 h/day | 83% |
| October | 67° | 54° | 3 | 0.8 in | 9.9 h/day | 77% |
| November | 62° | 50° | 6 | 2.3 in | 8.9 h/day | 75% |
| December | 58° | 48° | 9 | 4.2 in | 7.4 h/day | 77% |