San Bernardino 48-Hour Snow Forecast
Updated 20 August 2026 05:48 PDT
2-Day Forecast for San Bernardino
48-hours from 20 August.
See below for forecast detail
San Bernardino Snow Forecast updated at 05:48 PDT, next update expected 11:00 PDT.
Forecast for today in San Bernardino
Max 60°F
Min 52°F
Valley temperatures from an overnight low of 52°F to daytime highs around 60°F
Temperature at BaseTemp at Base
Thu
20
Snow unlikely
Drizzle first, rain showers then thunderstorms, drizzle later.
Forecast times for San Bernardino are in Zurich (Europe/Zurich) time zone.
Forecast for tomorrow in San Bernardino
Max 55°F
Min 47°F
Valley temperatures from an overnight low of 47°F to daytime highs around 55°F
Temperature at BaseTemp at Base
Fri
21
Snow unlikely
Light drizzle first, rain showers then light rain showers, fair later.
Forecast times for San Bernardino are in Zurich (Europe/Zurich) time zone.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Thu | 02:00 |  | Light drizzle. | 54°F | SE Calm | 75% | |
| Thu | 03:00 | | Light snow at altitude. Storm below. | 52°F | SE Calm | 80% | |
| Thu | 04:00 | | Light snow at altitude. Drizzle below. | 52°F | SE Calm | 85% | |
| Thu | 05:00 | | Light snow at altitude. Storm below. | 52°F | SE Light | 85% | |
| Thu | 06:00 | | Light snow at altitude. Drizzle below. | 53°F | SE Light | 80% | |
| Thu | 07:00 | | Light snow at altitude. Drizzle below. | 53°F | SE Light | 70% | |
| Thu | 08:00 | | Drizzle. | 54°F | SE Light | 65% | |
| Thu | 09:00 | | Light snow at altitude. Lt rain below. | 56°F | SE Light | 65% | |
| Thu | 10:00 | | Drizzle. | 57°F | SE Light | 75% | |
| Thu | 11:00 |  | Light snow at altitude. Lt rain below. | 58°F | SE Light | 85% | |
| Thu | 12:00 | | Heavy snow showers at altitude. Shwrs below. | 58°F | SE Light | 90% | |
| Thu | 13:00 | | Light snow showers at altitude. Storm below. | 58°F | SE Light | 95% | |
| Thu | 14:00 | | Light rain showers. | 57°F | SE Light | 100% | |
| Thu | 15:00 | | Light snow at altitude. Lt rain below. | 57°F | SE Light | 100% | |
| Thu | 16:00 | | Light snow at altitude. Lt rain below. | 58°F | SE Light | 100% | |
| Thu | 17:00 | | Light snow showers at altitude. Shwrs below. | 57°F | SE Light | 100% | |
| Thu | 18:00 | | Light snow showers at altitude. Shwrs below. | 56°F | SE Calm | 100% | |
| Thu | 19:00 | | Light snow showers at altitude. Shwrs below. | 56°F | SE Calm | 100% | |
| Thu | 20:00 | | Light snow at altitude. Lt rain below. | 55°F | SE Light | 100% | |
| Thu | 21:00 | | Light snow at altitude. Drizzle below. | 54°F | SE Calm | 95% | |
| Thu | 22:00 | | Light snow at altitude. Lt drizzle below. | 54°F | SE Light | 95% | |
| Thu | 23:00 | | Light snow at altitude. Lt rain below. | 53°F | SE Light | 90% | |
| Fri | 00:00 | | Light snow at altitude. Lt rain below. | 52°F | E Calm | 85% | |
| Fri | 01:00 | | Light drizzle. | 52°F | E Calm | 80% | |
| Fri | 02:00 |  | Cloudy. | 51°F | E Light | 75% | |
| Fri | 03:00 | | Cloudy. | 49°F | E Calm | 65% | |
| Fri | 04:00 | | Cloudy. | 49°F | E Calm | 55% | |
| Fri | 05:00 | | Cloudy. | 50°F | E Calm | 50% | |
| Fri | 06:00 | | Cloudy at altitude. Lt drizzle below. | 49°F | E Calm | 55% | |
| Fri | 07:00 | | Light snow at altitude. Drizzle below. | 49°F | E Calm | 70% | |
| Fri | 08:00 | | Light snow at altitude. Lt rain below. | 51°F | E Light | 80% | |
| Fri | 09:00 | | Light drizzle. | 53°F | E Light | 90% | |
| Fri | 10:00 | | Heavy snow showers at altitude. Shwrs below. | 53°F | E Light | 95% | |
| Fri | 11:00 | | Rain showers. | 53°F | E Light | 100% | |
| Fri | 12:00 | | Rain showers. | 53°F | E Light | 100% | |
| Fri | 13:00 | | Moderate/heavy snow showers at altitude. Shwrs below. | 53°F | E Light | 100% | |
| Fri | 14:00 | | Light snow at altitude. Lt rain below. | 54°F | E Light | 100% | |
| Fri | 15:00 | | Light snow at altitude. Lt drizzle below. | 54°F | E Light | 100% | |
| Fri | 16:00 | | Heavy snow showers at altitude. Lt rain below. | 55°F | E Light | 100% | |
| Fri | 17:00 | | Rain showers. | 55°F | E Light | 100% | |
| Fri | 18:00 | | Rain showers. | 54°F | E Light | 95% | |
| Fri | 19:00 | | Cloudy. | 52°F | E Light | 90% | |
| Fri | 20:00 |  | Cloudy at altitude. Fair below. | 51°F | E Light | 80% | |
| Fri | 21:00 | | Cloudy at altitude. Fair below. | 49°F | E Light | 60% | |
| Fri | 22:00 | | Cloudy at altitude. Fair below. | 48°F | E Light | 45% | |
| Fri | 23:00 |  | Cloudy at altitude. Clear below. | 47°F | E Light | 25% | |
| Sat | 00:00 | | Cloudy at altitude. Fair below. | 45°F | NE Light | 15% | |
| Sat | 01:00 | | Cloudy at altitude. Fair below. | 44°F | NE Light | 10% | |
Snow Forecast near San Bernardino
Snow forecasts for nearby ski areas.
Snow Forecasts for other Ski Resorts near San Bernardino are not available.
San Bernardino Snow
For current snow depths and skiing conditions, see our Current Snow Report for San Bernardino.
No significant snowfall is forecast for this period.
This Snow Forecast for San Bernardino, Switzerland gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in San Bernardino, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Snow Reliability
San Bernardino typically enjoys reliable snow conditions, with an average snow depth of around 100 cm during peak season. For the latest snow reports and updates, check J2Ski for accurate information.