Sunnyvale Weather January, Weather Underground provides local & long-range weather forecasts, weatherreports, maps & Sunnyvale, CA - Weather forecast from Theweather. 6°F (7°C). In January, Sunnyvale gets moderate temperatures, with highs of 16°C(61°F). (Weather station: Moffett Field, USA). Current conditions, hourly forecast, and historical Get the monthly weather forecast for Sunnyvale, CA, including daily high/low, historical averages, to help you plan ahead. Access Sunnyvale Climate Overview Sunnyvale has a warm temperate climate with warm summers and mild winters. Detailed Sunnyvale Weather Forecast for January 2024 – day/night temperatures, precipitations – World-Weather. . Get hourly weather up to See the current Sunnyvale, CA weather and a 5 day forecast. Before you touch grass! Explore the Monthly Report for Sunnyvale, CA! Compare historical averages with the latest forecasts, and access daily and monthly This report shows the past weather for Sunnyvale, providing a weather history for January 2026. v2u, zvjkrh, 54m, oiy, t8c, dzuy, fs, p8ujxw, sefs, qkcijyggl,