Observed 3:41 AM PDT at KVCB
Vacaville, CA weather
Foggy and 58°14°.
Today: low 53°12° (likely 53°12° to 57°14°), high 70°21° (likely 67°19° to 71°22°).
Now 58°14°
Fog
- Wind
- Calm
- Gusts to 21 mph34 km/h around 12 PM
- Visibility
- 4 mi6 km
- Fog · under 5 mi8 km
- Dew point
- 57°14°
- A little sticky · down to 49°9° by 2 PM (comfortable)
- Humidity
- 97%
- Air 58°14°, dew point 57°14° · fog or dew likely
- UV index
- 0Low
- Moderate 12–4 PM · peak 4
- Air today
- 33Good
- EPA forecast · Ozone
- Pressure
- 29.99 inHg1016 hPa
- Rising slowly · +0.03 inHg+1.0 hPa in 3 h
Next 2 hours
Light rain starting around 7:15 AM.
From forecast models
- 12:00 AM: dry
- 12:15 AM: light rain
- 12:30 AM: dry
- 12:45 AM: dry
- 1:00 AM: dry
- 1:15 AM: dry
- 1:30 AM: dry
- 1:45 AM: dry
Next 48 hours
TonightNear 56°13° · Partly cloudy
This morningUp to 62°17° by 11 AM · Mostly cloudy
This afternoonUp to 70°21° by 4 PM · Clear
TonightDown to 56°13° by 5 AM · Clear
Tomorrow morningUp to 65°18° by 11 AM · Clear
Tomorrow afternoonUp to 75°24° by 4 PM · Clear
Tomorrow nightDown to 52°11° by 3 AM · Clear
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Fri 4a | Haze | 56°13° (likely 54°12° to 57°14°) | 56°13° | 0% | 0 mph0 km/h, gusts 6 mph10 km/h | 87% | 64% | 0 |
| Fri 5a | Mostly clear | 55°13° (likely 54°12° to 57°14°) | 55°13° | 5% | 0 mph0 km/h, gusts 7 mph11 km/h | 88% | 53% | 0 |
| Fri 6a | Fog | 55°13° (likely 54°12° to 57°14°) | 55°13° | 0% | 1 mph2 km/h from NNW, gusts 7 mph12 km/h | 91% | 77% | 0 |
| Fri 7a | Cloudy | 54°12° (likely 54°12° to 57°14°) | 54°12° | 5% | 2 mph3 km/h from N, gusts 9 mph14 km/h | 93% | 81% | 0 |
| Fri 8a | Cloudy | 55°13° (likely 55°13° to 58°14°) | 55°13° | 5% | 5 mph8 km/h from N, gusts 13 mph20 km/h | 94% | 80% | 0 |
| Fri 9a | Cloudy | 57°14° (likely 57°14° to 59°15°) | 57°14° | 0% | 9 mph14 km/h from N, gusts 13 mph21 km/h | 90% | 75% | 0 |
| Fri 10a | Partly sunny | 60°16° (likely 60°16° to 61°16°) | 60°16° | 0% | 14 mph23 km/h from N, gusts 16 mph26 km/h | 85% | 57% | 1 |
| Fri 11a | Mostly sunny | 62°17° (likely 62°17° to 64°18°) | 62°17° | 0% | 16 mph26 km/h from N, gusts 19 mph30 km/h | 79% | 26% | 2 |
| Fri 12p | Mostly sunny | 64°18° (likely 64°18° to 66°19°) | 64°18° | 0% | 16 mph26 km/h from N, gusts 21 mph34 km/h | 69% | 20% | 3 |
| Fri 1p | Sunny | 66°19° (likely 65°18° to 68°20°) | 66°19° | 0% | 15 mph24 km/h from N, gusts 21 mph33 km/h | 59% | 8% | 4 |
| Fri 2p | Sunny | 68°20° (likely 67°19° to 69°21°) | 68°20° | 0% | 13 mph21 km/h from N, gusts 21 mph34 km/h | 51% | 1% | 4 |
| Fri 3p | Sunny | 69°21° (likely 67°19° to 70°21°) | 69°21° | 0% | 13 mph21 km/h from N, gusts 21 mph33 km/h | 41% | 0% | 3 |
| Fri 4p | Sunny | 70°21° (likely 67°19° to 70°21°) | 70°21° | 0% | 12 mph19 km/h from N, gusts 21 mph34 km/h | 33% | 0% | 1 |
| Fri 5p | Sunny | 70°21° (likely 65°18° to 70°21°) | 70°21° | 0% | 9 mph14 km/h from N, gusts 19 mph31 km/h | 33% | 0% | 2 |
| Fri 6p | Clear | 67°19° (likely 61°16° to 67°19°) | 67°19° | 0% | 7 mph11 km/h from NNW, gusts 12 mph20 km/h | 37% | 0% | 1 |
| Fri 7p | Clear | 65°18° (likely 58°14° to 65°18°) | 65°18° | 0% | 6 mph10 km/h from NNW, gusts 12 mph20 km/h | 41% | 0% | 0 |
| Fri 8p | Clear | 63°17° (likely 57°14° to 63°17°) | 63°17° | 0% | 7 mph11 km/h from NNW, gusts 13 mph21 km/h | 38% | 0% | 0 |
| Fri 9p | Clear | 61°16° (likely 57°14° to 62°17°) | 61°16° | 0% | 10 mph16 km/h from NNW, gusts 16 mph25 km/h | 37% | 0% | 0 |
| Fri 10p | Clear | 61°16° (likely 58°14° to 62°17°) | 61°16° | 0% | 17 mph27 km/h from NNW, gusts 19 mph31 km/h | 37% | 0% | 0 |
| Fri 11p | Clear | 61°16° (likely 58°14° to 62°17°) | 61°16° | 0% | 20 mph32 km/h from NNW, gusts 20 mph31 km/h | 36% | 0% | 0 |
| Sat 12a | Clear | 61°16° (likely 59°15° to 62°17°) | 61°16° | 0% | 21 mph34 km/h from N, gusts 20 mph32 km/h | 36% | 0% | 0 |
| Sat 1a | Clear | 60°16° (likely 59°15° to 61°16°) | 60°16° | 0% | 21 mph34 km/h from N, gusts 21 mph34 km/h | 36% | 0% | 0 |
| Sat 2a | Clear | 59°15° (likely 58°14° to 60°16°) | 59°15° | 0% | 21 mph34 km/h from N, gusts 17 mph28 km/h | 35% | 0% | 0 |
| Sat 3a | Clear | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 21 mph34 km/h from N, gusts 11 mph18 km/h | 36% | 0% | 0 |
| Sat 4a | Clear | 57°14° (likely 55°13° to 58°14°) | 57°14° | 0% | 21 mph34 km/h from N, gusts 13 mph21 km/h | 34% | 0% | 0 |
| Sat 5a | Clear | 56°13° (likely 54°12° to 58°14°) | 56°13° | 0% | 18 mph29 km/h from N, gusts 16 mph26 km/h | 37% | 0% | 0 |
| Sat 6a | Clear | 56°13° (likely 54°12° to 57°14°) | 56°13° | 0% | 18 mph29 km/h from N, gusts 15 mph25 km/h | 40% | 0% | 0 |
| Sat 7a | Sunny | 54°12° (likely 53°12° to 57°14°) | 54°12° | 0% | 18 mph29 km/h from N, gusts 13 mph20 km/h | 41% | 0% | 0 |
| Sat 8a | Sunny | 54°12° (likely 53°12° to 56°13°) | 54°12° | 0% | 16 mph26 km/h from N, gusts 13 mph21 km/h | 42% | 0% | 0 |
| Sat 9a | Sunny | 57°14° (likely 57°14° to 61°16°) | 57°14° | 0% | 16 mph26 km/h from N, gusts 17 mph27 km/h | 43% | 0% | 1 |
| Sat 10a | Sunny | 62°17° (likely 61°16° to 64°18°) | 62°17° | 0% | 16 mph26 km/h from N, gusts 21 mph33 km/h | 36% | 0% | 2 |
| Sat 11a | Sunny | 65°18° (likely 64°18° to 67°19°) | 65°18° | 0% | 12 mph19 km/h from N, gusts 17 mph28 km/h | 33% | 0% | 3 |
| Sat 12p | Sunny | 67°19° (likely 67°19° to 70°21°) | 67°19° | 0% | 12 mph19 km/h from N, gusts 16 mph25 km/h | 32% | 0% | 4 |
| Sat 1p | Sunny | 71°22° (likely 69°21° to 73°23°) | 71°22° | 0% | 12 mph19 km/h from N, gusts 12 mph19 km/h | 29% | 0% | 5 |
| Sat 2p | Sunny | 73°23° (likely 70°21° to 75°24°) | 73°23° | 0% | 5 mph8 km/h from NNE, gusts 10 mph16 km/h | 28% | 1% | 5 |
| Sat 3p | Sunny | 74°23° (likely 71°22° to 76°24°) | 74°23° | 0% | 5 mph8 km/h from NNE, gusts 8 mph12 km/h | 28% | 1% | 4 |
| Sat 4p | Sunny | 75°24° (likely 71°22° to 75°24°) | 75°24° | 0% | 5 mph8 km/h from NNE, gusts 6 mph10 km/h | 28% | 2% | 3 |
| Sat 5p | Sunny | 73°23° (likely 70°21° to 74°23°) | 73°23° | 0% | 2 mph3 km/h from NE, gusts 6 mph10 km/h | 29% | 9% | 2 |
| Sat 6p | Clear | 70°21° (likely 68°20° to 70°21°) | 70°21° | 0% | 2 mph3 km/h from NE, gusts 8 mph12 km/h | 37% | 38% | 1 |
| Sat 7p | Clear | 65°18° (likely 62°17° to 66°19°) | 65°18° | 0% | 2 mph3 km/h from NE, gusts 7 mph12 km/h | 45% | 0% | 0 |
| Sat 8p | Clear | 61°16° (likely 58°14° to 63°17°) | 61°16° | 0% | 1 mph2 km/h from SSW, gusts 6 mph9 km/h | 51% | 3% | 0 |
| Sat 9p | Clear | 58°14° (likely 56°13° to 61°16°) | 58°14° | 0% | 1 mph2 km/h from SSW, gusts 5 mph8 km/h | 54% | 0% | 0 |
| Sat 10p | Clear | 57°14° (likely 54°12° to 59°15°) | 57°14° | 0% | 1 mph2 km/h from SSW, gusts 5 mph8 km/h | 55% | 0% | 0 |
| Sat 11p | Clear | 57°14° (likely 52°11° to 58°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 55% | 3% | 0 |
| Sun 12a | Clear | 55°13° (likely 50°10° to 57°14°) | 55°13° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 57% | 3% | 0 |
| Sun 1a | Clear | 54°12° (likely 49°9° to 56°13°) | 54°12° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 59% | 4% | 0 |
| Sun 2a | Clear | 53°12° (likely 47°8° to 56°13°) | 53°12° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 61% | 2% | 0 |
| Sun 3a | Clear | 52°11° (likely 46°8° to 55°13°) | 52°11° | 0% | 0 mph0 km/h, gusts 3 mph4 km/h | 62% | 4% | 0 |
Days ahead
Today, Oct 23. Fog. High 70°21°, low 53°12°. Typical 77°25° / 48°9°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 55°13°Dry
Afternoon
noon–6 PM
Sunny, 70°21°Dry
Evening
6 PM–midnight
Clear, 63°17°Dry
Overnight
midnight–6 AM
Clear, 56°13°Dry
Official NWS forecast
Today: Haze and patchy fog before 9am. Mostly sunny, with a high near 70. North wind 1 to 16 mph, with gusts as high as 28 mph.
Tonight: Haze before 5am, then haze and patchy fog. Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. Wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 67°19°–71°22°
- Low, likely
- 53°12°–57°14°
- Typical high / low
- 77°25° / 48°9°
- Wind
- 16 mph26 km/h, gusts 26 mph41 km/h
- UV peak
- 5
Tomorrow, Oct 24. Sunny. High 75°24°, low 48°9°. Typical 77°25° / 48°9°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 54°12°Dry
Afternoon
noon–6 PM
Sunny, 75°24°Dry
Evening
6 PM–midnight
Clear, 61°16°Dry
Overnight
midnight–6 AM
Clear, 51°10°Dry
Official NWS forecast
Day: Sunny, with a high near 75. North northeast wind 2 to 18 mph, with gusts as high as 39 mph.
Night: Clear, with a low around 48. North wind around 2 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 71°22°–76°24°
- Low, likely
- 48°9°–54°12°
- Typical high / low
- 77°25° / 48°9°
- Wind
- 15 mph24 km/h, gusts 28 mph44 km/h
- UV peak
- 5
Sunday, Oct 25. Mostly sunny. High 74°23°, low 50°10°. Typical 76°24° / 48°9°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Cloudy, 72°22°Dry
Evening
6 PM–midnight
Cloudy, 60°16°Dry
Overnight
midnight–6 AM
Clear, 51°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 74.
Night: Mostly clear, with a low around 50.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 69°21°–74°23°
- Low, likely
- 45°7°–52°11°
- Typical high / low
- 76°24° / 48°9°
- Wind
- 6 mph10 km/h, gusts 12 mph19 km/h
- UV peak
- 5
Monday, Oct 26. Mostly sunny. High 72°22°, low 47°8°. Typical 76°24° / 48°9°. Dry. Forecasts differ.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 71°21°Dry
Evening
6 PM–midnight
Clear, 57°14°Dry
Overnight
midnight–6 AM
Clear, 48°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 72.
Night: Mostly clear, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 67°19°–72°22°
- Low, likely
- 44°7°–53°12°
- Typical high / low
- 76°24° / 48°9°
- Wind
- 13 mph21 km/h, gusts 24 mph39 km/h
- UV peak
- 5
Tuesday, Oct 27. Mostly sunny. High 70°21°, low 48°9°. Typical 76°24° / 47°8°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 47°8°Dry
Afternoon
noon–6 PM
Sunny, 70°21°Dry
Evening
6 PM–midnight
Clear, 58°14°Dry
Overnight
midnight–6 AM
Clear, 49°9°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 70.
Night: Partly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 68°20°–71°22°
- Low, likely
- 44°7°–48°9°
- Typical high / low
- 76°24° / 47°8°
- Wind
- 7 mph11 km/h, gusts 19 mph31 km/h
- UV peak
- 5
Wednesday, Oct 28. Partly sunny. High 69°21°, low 48°9°. Typical 75°24° / 47°8°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 47°8°Dry
Afternoon
noon–6 PM
Cloudy, 69°20°Dry
Evening
6 PM–midnight
Partly cloudy, 58°15°Dry
Overnight
midnight–6 AM
Partly cloudy, 50°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Night: Partly cloudy, with a low around 48.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 65°18°–71°22°
- Low, likely
- 43°6°–49°9°
- Typical high / low
- 75°24° / 47°8°
- Wind
- 7 mph11 km/h, gusts 13 mph21 km/h
- UV peak
- 4
Thursday, Oct 29. Cloudy. High 69°21°, low 50°10°. Typical 75°24° / 47°8°. Dry. Forecasts differ.
Morning
6 AM–noon
Cloudy, 52°11°Dry
Afternoon
noon–6 PM
Cloudy, 66°19°Dry
Evening
6 PM–midnight
Clear, 57°14°Dry
Overnight
midnight–6 AM
Cloudy, 52°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 69.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 63°17°–70°21°
- Low, likely
- 47°8°–52°11°
- Typical high / low
- 75°24° / 47°8°
- Wind
- 8 mph13 km/h, gusts 15 mph24 km/h
- UV peak
- 4
Friday, Oct 30. Cloudy. High 66°19°, low 48°9°. Typical 74°23° / 46°8°. Dry. Forecasts differ.
Morning
6 AM–noon
Mostly sunny, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 68°20°Dry
Evening
6 PM–midnight
Clear, 59°15°Dry
Overnight
midnight–6 AM
Clear, 51°11°20% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 62°17°–70°21°
- Low, likely
- 43°6°–57°14°
- Typical high / low
- 74°23° / 46°8°
- Wind
- 7 mph12 km/h, gusts 19 mph30 km/h
- UV peak
- 4
Saturday, Oct 31. Drizzle. High 66°19°, low 50°10°. Typical 74°23° / 46°8°. Rain 0.07 in1.8 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Cloudy, 53°11°20% chance
Afternoon
noon–6 PM
Cloudy, 67°19°20% chance
Evening
6 PM–midnight
Cloudy, 59°15°20% chance · 0.02 in0.6 mm
Overnight
midnight–6 AM
Cloudy, 53°12°20% chance · 0.12 in3 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
- High, likely
- 62°17°–70°21°
- Low, likely
- 45°7°–53°12°
- Typical high / low
- 74°23° / 46°8°
- Wind
- 8 mph12 km/h, gusts 14 mph22 km/h
- UV peak
- 4
Sunday, Nov 1. Cloudy. High 67°19°, low 52°11°. Typical 73°23° / 46°8°. Rain 0.55 in14 mm, 30% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 53°11°20% chance · 0.33 in8.4 mm
Afternoon
noon–6 PM
Cloudy, 67°20°Dry
Evening
6 PM–midnight
Clear, 60°15°20% chance · 0.02 in0.6 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 64°18°–71°22°
- Low, likely
- 50°10°–58°14°
- Typical high / low
- 73°23° / 46°8°
- Wind
- 11 mph17 km/h, gusts 20 mph33 km/h
- UV peak
- 4
The outlook
Today
Dry, high 70°, low 53°.
Tomorrow
Dry, high 75°, low 48°, warming up.
Sunday
Dry, high 74°, low 50°.
Rest of week
Mostly dry, highs 66–72°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (STO) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 58% less heating than a typical week.
Heating degree days, base 65°F
Comfort
Comfortable, non-humid air (dew point 57°F).
Open the windows?
Today, 10:00 AM–1:00 AM
Good stretch to open the windows.
Is this typical?
Oct 23, today vs a typical year
Today’s expected high is 7°4° colder than typical.
- Normal high / low
- 77°25° / 48°9°
- Forecast high / low
- 70°21° / 53°12°
- Record high
- 92°33° in 1959
- Record low
- 37°3° in 1961
Last 7 days vs normal
On average 3°2° warmer than normal (daily mean temperature).
- +8°+4°SatOct 17
- +3°+2°SunOct 18
- +7°+4°MonOct 19
- −1°TueOct 20
- −2°−1°WedOct 21
- —ThuOct 22
- —FriOct 23
Vacaville weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:25 AM, sunset 6:18 PM.
- Daylight
- 10 h 54 min
- Losing 2 min 21 s a day; shortest Dec 21, 1 h 24 min less
- Golden hour
- 5:42–6:35 PM
- Morning 7:08–8:01 AM
- Blue hour
- 6:35–6:45 PM
- Morning 6:58–7:08 AM; first light 6:58 AM
Stars tonight? Poor
Clouds most of the night (about 65% cover).
Moon
Waxing gibbous
91% lit · growing
- Today
- sets 4:39 AM · rises 4:51 PM
- Full moon
- Oct 25
- New moon
- Nov 8
