Last 2 weeks of weather La Mesa Weather Forecasts. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. Last 2 weeks of weather 80 ° 39 ° 2. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the La Mesa area. Hi/Low, RealFeel®, precip, radar, & everything you need to be ready for the day, commute, and weekend! 74 ° 41 ° 4. Know what's coming with AccuWeather's extended daily forecasts for La Mesa, CA. °F. 29. Check out our current live radar and weather forecasts for La Mesa, California to help plan your day 81 ° 39 ° 3. 75 ° 34 ° 5. Find the most current and reliable 14 day weather forecasts, storm alerts, reports and information for La Mesa, CA, US with The Weather Network. Get the forecast for today, tonight & tomorrow's weather for La Mesa, NM. 77 ° 36 ° 30. Up to 90 days of daily highs, lows, and precipitation chances. Mesa Extended Forecast with high and low temperatures. 74 ° 35 ° 6. Want to know what the weather is now? 11:20 am PST sun mon tue wed thu fri sat. Saturday, December 5 Red Flag Warning. La Mesa Extended Forecast with high and low temperatures. °F. 11 pm. 81 ° 42 ° 1. Current conditions at DW5256 La Mesa (D5256) Lat: 32.7663°NLon: 117.01335°WElev: 659ft. Hourly Weather-La Mesa, CA. La Mesa, CA Monthly Weather. Get the latest 7 Day weather for La Mesa, CA, US including weather news, video, warnings and interactive maps from the weather experts. as of 11:00 pm PST.