Weather forecast for tomorrowLemon Grove, CA

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 84°F
  • 61°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphWSW 252°
  • Humidity: 43%
  • UV index: 6
  • Sunrise: 6:55 am PDT
  • Sunset: 6:10 pm PDT
  • ▼
Tomorrow, on Monday, October 19, skies are expected to be clear and full of sunshine.
Temperature span will be from a high of a temperate 84.2°F to a low of an enjoyable 60.8°F.
The maximum heat index, which combines relative humidity and air temperature, is calculated to be 84.2°F.
Weather conditions lean hotter, with the temperature tracking September's average high of 81.7°F.
Sunrise will be at 6:55 am and sunset at 6:10 pm; tomorrow's daylight will last for 11h and 15min.

Hourly overview

Hourly temperatures

Warmest period: 12 pm - 3 pm 82°C.
Coldest period: 3 am - 6 am 63°C.

Chance of precipitation

Highest chance: 9 pm 6%.

Hourly weather forecast

  • 12 am
  • 66°F
  • Feels like:
    66°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphENE 59°
  • Humidity: 59%
  • Pressure: 29.91"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 64°F
  • Feels like:
    64°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphESE 120°
  • Humidity: 59%
  • Pressure: 29.91"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 101°
  • Humidity: 62%
  • Pressure: 29.88"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 63°F
  • Feels like:
    63°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphE 90°
  • Humidity: 60%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 6:55 am
  • 8 am
  • 64°F
  • Feels like:
    64°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphW 270°
  • Humidity: 55%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 75°F
  • Feels like:
    75°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphW 263°
  • Humidity: 39%
  • Pressure: 29.91"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphWSW 243°
  • Humidity: 34%
  • Pressure: 29.88"Hg
  • Visibility: 9mi
  • UV index: 6
  • ▼
  • 2 pm
  • 82°F
  • Feels like:
    82°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphWSW 252°
  • Humidity: 35%
  • Pressure: 29.85"Hg
  • Visibility: 9mi
  • UV index: 5
  • ▼
  • 4 pm
  • 81°F
  • Feels like:
    81°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphWSW 255°
  • Humidity: 41%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphWSW 249°
  • Humidity: 55%
  • Pressure: 29.83"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:10 pm
  • 8 pm
  • 72°F
  • Feels like:
    72°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphWSW 247°
  • Humidity: 70%
  • Pressure: 29.85"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 68°F
  • Feels like:
    68°F
Mostly Clear
Mostly Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 2mphSW 227°
  • Humidity: 80%
  • Pressure: 29.85"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Tomorrow, on Monday, primarily sunny and occasionally cloud-filled weather is expected.
The temperature will be between a minimum of 62.6°F and a maximum of 82.4°F. The warmest part of the day will be from noon to 3 pm.
The maximum temperature will align more closely with September's average high of 81.7°F than with October's 77°F. The minimum temperature will be in line with October's average low of 59.7°F.
Updated: Oct 18, 2026 @ 08:46:27 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, sunshine will likely continue with scattered clouds at most.

Tomorrow, the highest temperature will be 84.2°F, while the lowest temperature will be 60.8°F. The maximum heat index, which combines relative humidity and air temperature, is assessed at 84.2°F.
The highest temperature will be a few degrees higher than the average maximum of 77°F in October. The lowest temperature will be in line with the average low of 59.7°F.

On Monday, in Lemon Grove, sunrise will be at 6:55 am and sunset at 6:10 pm (PDT).

In Lemon Grove, the length of the day tomorrow will be 11h and 15min.