San Diego County (San Diego)
Tomorrow
Tomorrow weather in San Diego County
Monday, May 18th, 2026
20°
Patchy rain possible
The weather tomorrow in San Diego County will be similar like today, with max temperatures of 19°.
The wind tomorrow will get lighter comparing to today but still be strong and reach over 19 km/h.
20° / 16°
Temp
87%
Rain
19 km/h
Wind
65%
Humidity
San Diego County Weather Pages
San Diego County hourly forecast for tomorrow
Scroll right to see more weather forecasts for San Diego County tomorrow
| 12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 05:48 AM | 06:00 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:43 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  | | | | | |  | | | | |  | | | | | | | | | |  |  | | | | Next |
| temperatures | 16.1° | 16° | 16° | 15.9° | 15.9° | 15.9° | Sunrise | 16° | 16.4° | 16.9° | 17.6° | 18.3° | 18.9° | 19.3° | 19.4° | 19.3° | 19.3° | 19.2° | 19° | 18.6° | 18.1° | Sunset | 17.8° | 17.6° | 17.4° | 17.2° | |
| wind speed | 19 km/h | 18 km/h | 18 km/h | 18 km/h | 16 km/h | 14 km/h | 14 km/h | 14 km/h | 13 km/h | 13 km/h | 13 km/h | 13 km/h | 17 km/h | 19 km/h | 19 km/h | 18 km/h | 17 km/h | 16 km/h | 16 km/h | 13 km/h | 10 km/h | 8 km/h | 5 km/h | 4 km/h | |||
| wind degree | 175° | 176° | 179° | 182° | 182° | 178° | 171° | 173° | 174° | 185° | 195° | 211° | 221° | 225° | 222° | 220° | 216° | 211° | 213° | 210° | 215° | 223° | 234° | 239° | |||
| wind direction | S | S | S | S | S | S | S | S | S | S | SSW | SSW | SW | SW | SW | SW | SW | SSW | SSW | SSW | SW | SW | SW | WSW | |||
| Precipitation | 0 mm | 0.1 mm | 0.1 mm | 0.1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
| chance for rain | 87% | 100% | 100% | 100% | 79% | 70% | 68% | 87% | 60% | 77% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 75% | 77% | 77% | 76% | 75% | 74% | 74% | 72% | 68% | 64% | 60% | 57% | 55% | 56% | 57% | 57% | 57% | 57% | 59% | 61% | 63% | 65% | 65% | 66% | |||
| dew point | 11.6° | 11.9° | 12° | 11.8° | 11.5° | 11.3° | 11.3° | 11.1° | 10.8° | 10.6° | 10.4° | 10.2° | 10.4° | 10.6° | 10.7° | 10.5° | 10.5° | 10.5° | 10.6° | 10.7° | 10.7° | 10.8° | 10.8° | 10.8° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
| cloud cover | 80% | 65% | 71% | 76% | 70% | 50% | 89% | 76% | 71% | 86% | 22% | 10% | 3% | 0% | 0% | 0% | 2% | 3% | 4% | 5% | 6% | 5% | 5% | 4% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.1 | 2.8 | 5.3 | 7.7 | 9.3 | 9.7 | 8.7 | 6.7 | 4.3 | 2.2 | 0.8 | 0.2 | 0 | 0 | 0 | 0 |
Weather in San Diego County tomorrow
The temperature tomorrow in San Diego County is expected to be typical for this time of year, with a forecast of 20 °F, closely aligning with the historical average for May 18th.
temperatures
20 °F
rain
0.4 mm
wind
19 km/h
UV
Very High
San Diego County daylight overview ☀️
Tomorrow in San Diego County, The sun rises at 05:48 and sets at 19:43, giving a total daylight duration of 13 hours and 55 minutes.
Top locations in San Diego County
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What to wear tomorrow in San Diego County? clothing recommendations
Stay comfortably stylish - your tailored guide for tomorrow's San Diego County forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
Umbrella
The weather tomorrow in San Diego County - FAQ
What is the maximum temperature for tomorrow in San Diego County?
The maximum temperature for tomorrow in San Diego County is expected to be 20° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain tomorrow in San Diego County? 🌧️
Yes, there is a 87% chance of rain in San Diego County tomorrow. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed tomorrow in San Diego County? 🌀
The wind in San Diego County is expected to blow at 19 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in San Diego County tomorrow?
Given the forecast of 20 °F with a 87% chance of rain, we advise checking our "What to wear tomorrow" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in San Diego County tomorrow.
What is the sunrise and sunset time for San Diego County tomorrow?
The sun is expected to rise at 05:48 and set at 19:43 in San Diego County.
How accurate is the weather forecast San Diego County tomorrow? ✅
San Diego County weather forecast for tomorrow is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is San Diego County?Get accurate weather forecasts for San Diego County, located at latitude 32.716 and longitude -117.165. Stay updated with localized weather information tailored for San Diego County.
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