Lewiston, CA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Lewiston now
Loading the National Weather Service forecast…
Lewiston weather by the hour
Lewiston weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Lewiston.
This week in Lewiston
Sunrise, sunset and moon in Lewiston
What is the weather usually like in Lewiston?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 96°F average high
- Decembercoldest month · 33°F average low
- 32.4 inprecipitation per year · 823 mm
- 6.4 insnowfall per year · 16 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Lewiston: May–June and September–October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station TRINITY RVR HATCHERY, CA US (USC00049026), adjusted for the elevation of Lewiston.
Lewiston weather month by month
Sunrise and sunset in Lewiston through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:31 AM | 5:10 PM | 9 h 38 min |
| February | 7:03 AM | 5:47 PM | 10 h 44 min |
| March | 7:20 AM | 7:19 PM | 11 h 58 min |
| April | 6:30 AM | 7:52 PM | 13 h 21 min |
| May | 5:52 AM | 8:23 PM | 14 h 30 min |
| June | 5:37 AM | 8:45 PM | 15 h 7 min |
| July | 5:51 AM | 8:42 PM | 14 h 50 min |
| August | 6:20 AM | 8:10 PM | 13 h 50 min |
| September | 6:51 AM | 7:21 PM | 12 h 30 min |
| October | 7:21 AM | 6:32 PM | 11 h 10 min |
| November | 6:57 AM | 4:54 PM | 9 h 57 min |
| December | 7:26 AM | 4:46 PM | 9 h 19 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Lewiston?
Lewiston has a hot-summer mediterranean climate. The warmest month is July, with an average high of 96°F (35°C), and the coldest is December, with average lows of 33°F (0°C).
It gets about 32.4 inches (823 mm) of precipitation a year. The wettest month is December and the driest is August. Snow is common: about 6 inches fall in an average year.
The best time to visit Lewiston is May–June and September–October. At 1,814 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Lewiston
Weather in towns near Lewiston
Questions about the weather in Lewiston
What is the hottest month in Lewiston?
July, with an average high of 96°F (35°C).
What is the coldest month in Lewiston?
December, with an average low of 33°F (0°C).
How much does it rain in Lewiston?
About 32.4 inches (823 mm) a year; the wettest month is December.
Does it snow in Lewiston?
Yes, about 6 inches of snow fall in an average year.
When is the best time to visit Lewiston?
May–June and September–October, when temperatures are most pleasant and rainy days are fewer.
What climate does Lewiston have?
Hot-summer mediterranean (Köppen Csa).
What is the weather like in Lewiston in November?
Highs average 59°F and lows 36°F, with about 3.5 inches of precipitation.
What time is sunrise in Lewiston?
Around 6:57 AM in mid-November, and sunset around 4:54 PM. Today’s exact times are shown above.
Where does this Lewiston weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Lewiston.
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