Johnstone Trail, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Johnstone Trail Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Chance of Showers | Chance of T-Storm | Chance of Showers | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 66°FHi: 19°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 502 PM PST Mon Nov 02 2026 

Johnstone Trail Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Johnstone Trail Weather Map
Johnstone Trail Quick Facts
Johnstone Trail Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 423 PM PST Mon Nov 2 2026
Key Messages
Updated at 228 PM PST Mon Nov 2 2026- Hazardous beach conditions through Tuesday evening and again Thursday through Saturday
- Light to moderate rain across North Bay tonight through Tuesday; light rain across rest of Bay Area
- Seasonal to slightly below normal temps through midweek; warming trend and above normal temps late week into weekend
Aviation
... (00Z TAFS) Issued at 423 PM PST Mon Nov 2 2026
VFR continues tonight then cloud ceilings will steadily lower to MVFR Tuesday with showers...
Weather World