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Johnstone Trail, CA Weather Forecast

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Johnstone Trail, CA Weather Forecast

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Johnstone Trail CA weather - Clear - 78°F
Clear
78°F
Updated 1:15 pm
Feels Like 67°F
Humidity 47%
Wind ESE 8 mph
Barometer  29.87 in
Dew Point 57°F
Johnstone Trail CA weather - Clear - 26°C
Clear
26°C
Updated 1:15 pm
Feels Like 19°C
Humidity 47%
Wind ESE 13 km/h
Barometer  101.1 kPa
Dew Point 14°C
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Johnstone Trail Weather Forecast

REST OF TODAY TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Johnstone Trail, CA Weather - Rest Of Today Sunny Johnstone Trail, CA Weather - Tonight Patchy Fog Johnstone Trail, CA Weather - Wednesday Partly Cloudy Johnstone Trail, CA Weather - Wednesday Night Chance Of Rain Johnstone Trail, CA Weather - Thursday Chance Of Rain Johnstone Trail, CA Weather - Thursday Night Patchy Fog Johnstone Trail, CA Weather - Friday Patchy Fog Johnstone Trail, CA Weather - Friday Night Partly Cloudy Johnstone Trail, CA Weather - Saturday Partly Cloudy Johnstone Trail, CA Weather - Saturday Night Mostly Cloudy Johnstone Trail, CA Weather - Sunday Patchy Fog Johnstone Trail, CA Weather - Sunday Night Patchy Fog
Sunny Patchy Fog Partly Cloudy Chance of Rain Chance of Rain Patchy Fog Patchy Fog Partly Cloudy Partly Cloudy Mostly Cloudy Patchy Fog Patchy Fog
Hi: 66°FHi: 19°C
 Lo: 51°FLo: 11°C Hi: 65°FHi: 18°C
 Lo: 55°FLo: 13°C Hi: 69°FHi: 21°C
 Lo: 55°FLo: 13°C Hi: 66°FHi: 19°C
 Hi: 66°FHi: 19°C
Lo: 55°FLo: 13°C		 Hi: 66°FHi: 19°C
Lo: 55°FLo: 13°C		 Lo: 55°FLo: 13°C Hi: 66°FHi: 19°C
Lo: 55°FLo: 13°C		 Hi: 66°FHi: 19°C
Lo: 55°FLo: 13°C
POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 1102 AM PDT Tue Sep 15 2026 Johnstone Trail, CA Weather - WeatherWorld.com

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Issued: 1106 AM PDT Tue Sep 15 2026

Key Messages

Updated at 1051 AM PDT Tue Sep 15 2026
  • Cooler temperatures through Thursday

Aviation

... (18Z TAFS) Issued at 1029 AM PDT Tue Sep 15 2026

MVFR-IFR conditions continue directly along the coastline with VFR across the interior. MVFR stratus returns again tonight with IFR conditions possible directly along the coastline. Confidence is low to moderate that stratus will not reach SJC or LVK overnight but if it does occur, it likely will not be until after 09Z. Highest potential for IFR condi...