Pinole Creek at San Pablo Avenue
1.1 mi- Level
- 0.7 ft
Reading from Sat 10 AM · NWS gauge page
Observed 11:05 AM PDT at KAPC
Hercules, CA weather
Sunny and 66°19°.
Today: low 52°11° (likely 50°10° to 54°12°), high 66°19° (likely 66°19° to 73°23°).
Now 66°19°
Sunny
- Wind
- 7 mph11 km/h
- From the southwest. Up to 7 mph11 km/h through 11 PM
- Dew point
- 45°7°
- Comfortable
- UV index
- 3Moderate
- Moderate until 4 PM · peak 4
- Air quality
- 22Good
- Main pollutant: PM2.5 (fine particles)
- Pressure
- 30.05 inHg1018 hPa
- Steady over the last 3 h
Next 2 hours
No precipitation expected in the next 2 hours.
From forecast models
Next 48 hours
Good hours for
This afternoonUp to 66°19° by 4 PM · Clear
TonightDown to 53°12° by 4 AM · Clear
Tomorrow morningUp to 57°14° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 64°18° by 3 PM · Mostly cloudy
Tomorrow nightDown to 55°13° by 3 AM · Partly cloudy
Monday morningNear 55°13° · Partly cloudy
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 11a | Sunny | 59°15° (likely 59°15° to 66°19°) | 59°15° | 0% | 5 mph8 km/h from NNE, gusts 5 mph8 km/h | 65% | 0% | 3 |
| Sat 12p | Sunny | 61°16° (likely 61°16° to 69°21°) | 61°16° | 0% | 5 mph8 km/h from W, gusts 6 mph10 km/h | 67% | 0% | 4 |
| Sat 1p | Sunny | 63°17° (likely 63°17° to 71°22°) | 63°17° | 0% | 3 mph5 km/h from W, gusts 6 mph10 km/h | 67% | 0% | 4 |
| Sat 2p | Sunny | 64°18° (likely 64°18° to 72°22°) | 64°18° | 0% | 2 mph3 km/h from W, gusts 5 mph7 km/h | 63% | 0% | 4 |
| Sat 3p | Sunny | 65°18° (likely 65°18° to 73°23°) | 65°18° | 0% | 2 mph3 km/h from WSW, gusts 5 mph8 km/h | 60% | 0% | 3 |
| Sat 4p | Sunny | 66°19° (likely 66°19° to 73°23°) | 66°19° | 0% | 2 mph3 km/h from SW, gusts 5 mph8 km/h | 58% | 0% | 2 |
| Sat 5p | Sunny | 66°19° (likely 66°19° to 71°22°) | 66°19° | 0% | 3 mph5 km/h from SSW, gusts 8 mph14 km/h | 57% | 0% | 2 |
| Sat 6p | Clear | 64°18° (likely 64°18° to 67°19°) | 65°18° | 0% | 3 mph5 km/h from SSW, gusts 10 mph16 km/h | 64% | 0% | 1 |
| Sat 7p | Clear | 62°17° (likely 61°16° to 63°17°) | 62°17° | 0% | 2 mph3 km/h from WSW, gusts 6 mph10 km/h | 70% | 0% | 0 |
| Sat 8p | Clear | 60°16° (likely 59°15° to 60°16°) | 60°16° | 0% | 2 mph3 km/h from WSW, gusts 4 mph6 km/h | 74% | 0% | 0 |
| Sat 9p | Clear | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 76% | 0% | 0 |
| Sat 10p | Clear | 58°14° (likely 55°13° to 58°14°) | 58°14° | 0% | 0 mph0 km/h, gusts 3 mph5 km/h | 79% | 0% | 0 |
| Sat 11p | Clear | 57°14° (likely 54°12° to 58°14°) | 57°14° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 80% | 0% | 0 |
| Sun 12a | Clear | 56°13° (likely 52°11° to 57°14°) | 56°13° | 0% | 0 mph0 km/h, gusts 5 mph9 km/h | 82% | 0% | 0 |
| Sun 1a | Clear | 56°13° (likely 52°11° to 56°13°) | 56°13° | 0% | 0 mph0 km/h, gusts 5 mph8 km/h | 84% | 0% | 0 |
| Sun 2a | Mostly clear | 55°13° (likely 51°11° to 55°13°) | 55°13° | 0% | 0 mph0 km/h, gusts 4 mph7 km/h | 85% | 10% | 0 |
| Sun 3a | Mostly clear | 54°12° (likely 51°11° to 54°12°) | 54°12° | 0% | 0 mph0 km/h, gusts 4 mph6 km/h | 88% | 48% | 0 |
| Sun 4a | Mostly clear | 53°12° (likely 50°10° to 53°12°) | 53°12° | 0% | 1 mph2 km/h from SSW, gusts 6 mph9 km/h | 88% | 64% | 0 |
| Sun 5a | Partly cloudy | 53°12° (likely 50°10° to 53°12°) | 53°12° | 0% | 2 mph3 km/h from S, gusts 5 mph8 km/h | 90% | 84% | 0 |
| Sun 6a | Partly cloudy | 52°11° (likely 50°10° to 52°11°) | 52°11° | 0% | 2 mph3 km/h from S, gusts 5 mph7 km/h | 92% | 82% | 0 |
| Sun 7a | Partly sunny | 52°11° (likely 50°10° to 52°11°) | 52°11° | 0% | 2 mph3 km/h from S, gusts 5 mph8 km/h | 93% | 85% | 0 |
| Sun 8a | Cloudy | 52°11° (likely 49°9° to 52°11°) | 52°11° | 0% | 5 mph8 km/h from NE, gusts 5 mph8 km/h | 96% | 89% | 0 |
| Sun 9a | Cloudy | 53°12° (likely 51°11° to 55°13°) | 53°12° | 0% | 5 mph8 km/h from NE, gusts 5 mph8 km/h | 96% | 90% | 1 |
| Sun 10a | Cloudy | 55°13° (likely 54°12° to 58°14°) | 55°13° | 0% | 5 mph8 km/h from NE, gusts 7 mph11 km/h | 97% | 81% | 2 |
| Sun 11a | Partly sunny | 57°14° (likely 57°14° to 61°16°) | 57°14° | 0% | 5 mph8 km/h from NE, gusts 7 mph11 km/h | 91% | 74% | 3 |
| Sun 12p | Cloudy | 60°16° (likely 60°16° to 64°18°) | 60°16° | 0% | 5 mph8 km/h from NE, gusts 8 mph12 km/h | 87% | 63% | 4 |
| Sun 1p | Cloudy | 62°17° (likely 62°17° to 67°19°) | 62°17° | 0% | 5 mph8 km/h from NE, gusts 8 mph13 km/h | 82% | 80% | 4 |
| Sun 2p | Cloudy | 63°17° (likely 63°17° to 69°21°) | 63°17° | 0% | 2 mph3 km/h from WSW, gusts 8 mph13 km/h | 75% | 86% | 4 |
| Sun 3p | Cloudy | 64°18° (likely 64°18° to 70°21°) | 64°18° | 0% | 2 mph3 km/h from WSW, gusts 10 mph15 km/h | 72% | 87% | 3 |
| Sun 4p | Cloudy | 64°18° (likely 64°18° to 70°21°) | 64°18° | 0% | 2 mph3 km/h from WSW, gusts 12 mph19 km/h | 69% | 90% | 2 |
| Sun 5p | Cloudy | 64°18° (likely 62°17° to 68°20°) | 64°18° | 0% | 5 mph8 km/h from SW, gusts 13 mph21 km/h | 68% | 90% | 1 |
| Sun 6p | Cloudy | 63°17° (likely 59°15° to 65°18°) | 63°17° | 0% | 5 mph8 km/h from SW, gusts 12 mph20 km/h | 73% | 88% | 0 |
| Sun 7p | Partly cloudy | 61°16° (likely 56°13° to 61°16°) | 61°16° | 0% | 5 mph8 km/h from SW, gusts 13 mph20 km/h | 77% | 79% | 0 |
| Sun 8p | Partly cloudy | 59°15° (likely 56°13° to 59°15°) | 59°15° | 0% | 3 mph5 km/h from SW, gusts 11 mph17 km/h | 81% | 83% | 0 |
| Sun 9p | Mostly clear | 58°14° (likely 55°13° to 58°14°) | 58°14° | 0% | 3 mph5 km/h from SW, gusts 10 mph15 km/h | 84% | 55% | 0 |
| Sun 10p | Clear | 57°14° (likely 54°12° to 57°14°) | 57°14° | 0% | 3 mph5 km/h from SW, gusts 9 mph14 km/h | 86% | 9% | 0 |
| Sun 11p | Clear | 57°14° (likely 53°12° to 57°14°) | 57°14° | 0% | 3 mph5 km/h from WSW, gusts 10 mph16 km/h | 87% | 1% | 0 |
| Mon 12a | Clear | 56°13° (likely 53°12° to 56°13°) | 56°13° | 0% | 3 mph5 km/h from WSW, gusts 10 mph16 km/h | 88% | 9% | 0 |
| Mon 1a | Clear | 56°13° (likely 52°11° to 56°13°) | 56°13° | 0% | 3 mph5 km/h from WSW, gusts 11 mph18 km/h | 88% | 14% | 0 |
| Mon 2a | Clear | 56°13° (likely 53°12° to 56°13°) | 56°13° | 0% | 3 mph5 km/h from SW, gusts 12 mph19 km/h | 89% | 18% | 0 |
| Mon 3a | Clear | 55°13° (likely 53°12° to 55°13°) | 55°13° | 0% | 3 mph5 km/h from SW, gusts 11 mph18 km/h | 91% | 18% | 0 |
| Mon 4a | Clear | 55°13° (likely 53°12° to 56°13°) | 55°13° | 0% | 3 mph5 km/h from SW, gusts 11 mph17 km/h | 92% | 19% | 0 |
| Mon 5a | Clear | 55°13° (likely 52°11° to 56°13°) | 55°13° | 0% | 5 mph8 km/h from WSW, gusts 11 mph18 km/h | 94% | 20% | 0 |
| Mon 6a | Partly cloudy | 54°12° (likely 51°11° to 57°14°) | 54°12° | 0% | 5 mph8 km/h from WSW, gusts 11 mph18 km/h | 95% | 67% | 0 |
| Mon 7a | Partly sunny | 54°12° (likely 51°11° to 57°14°) | 54°12° | 0% | 5 mph8 km/h from WSW, gusts 12 mph20 km/h | 96% | 62% | 0 |
| Mon 8a | Partly sunny | 54°12° (likely 51°11° to 56°13°) | 54°12° | 0% | 6 mph10 km/h from WSW, gusts 12 mph19 km/h | 97% | 44% | 0 |
| Mon 9a | Partly sunny | 55°13° (likely 54°12° to 58°14°) | 55°13° | 0% | 6 mph10 km/h from WSW, gusts 12 mph19 km/h | 98% | 37% | 1 |
| Mon 10a | Partly sunny | 56°13° (likely 56°13° to 60°16°) | 56°13° | 0% | 6 mph10 km/h from WSW, gusts 14 mph22 km/h | 98% | 34% | 2 |
Days ahead
Shaded: typical range for these dates (1991–2020)
Today, Oct 24. Sunny. High 66°19°, low 52°11°. Typical 73°23° / 50°10°. Dry. Mostly agree.
Afternoon
noon–6 PM
Sunny, 66°19°Dry
Evening
6 PM–midnight
Clear, 60°16°Dry
Overnight
midnight–6 AM
Mostly clear, 53°12°Dry
Official NWS forecast
Today: Sunny, with a high near 66. West southwest wind around 5 mph.
Tonight: Mostly clear, with a low around 52. Southwest wind 0 to 3 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 66°19°–73°23°
- Low, likely
- 50°10°–54°12°
- Typical high / low
- 73°23° / 50°10°
- Wind
- 8 mph12 km/h
- UV peak
- 5
Tomorrow, Oct 25. Partly sunny. High 65°18°, low 54°12°. Typical 72°22° / 50°10°. Dry. Mostly agree.
Morning
6 AM–noon
Cloudy, 52°11°Dry
Afternoon
noon–6 PM
Cloudy, 64°18°Dry
Evening
6 PM–midnight
Mostly clear, 59°15°Dry
Overnight
midnight–6 AM
Clear, 55°13°Dry
Official NWS forecast
Day: Mostly sunny, with a high near 65. Southwest wind around 5 mph.
Night: Partly cloudy, with a low around 54. Southwest wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 65°18°–70°21°
- Low, likely
- 49°9°–54°12°
- Typical high / low
- 72°22° / 50°10°
- Wind
- 12 mph20 km/h, gusts 20 mph31 km/h
- UV peak
- 4
Monday, Oct 26. Mostly sunny. High 62°17°, low 51°11°. Typical 72°22° / 50°10°. Dry. Forecasts agree.
Morning
6 AM–noon
Partly sunny, 54°12°Dry
Afternoon
noon–6 PM
Sunny, 68°20°Dry
Evening
6 PM–midnight
Clear, 58°15°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 62. West southwest wind 5 to 12 mph.
Night: Patchy fog after 5am. Mostly clear, with a low around 51.
Forecasts agreeIndependent forecasts are close; the range is narrow.
- High, likely
- 62°17°–68°20°
- Low, likely
- 51°11°–54°12°
- Typical high / low
- 72°22° / 50°10°
- Wind
- 12 mph19 km/h, gusts 19 mph31 km/h
- UV peak
- 5
Tuesday, Oct 27. Fog. High 63°17°, low 51°11°. Typical 72°22° / 50°10°. Dry. Mostly agree.
Morning
6 AM–noon
Partly sunny, 51°10°Dry
Afternoon
noon–6 PM
Mostly sunny, 66°19°Dry
Evening
6 PM–midnight
Mostly clear, 58°14°Dry
Overnight
midnight–6 AM
Cloudy, 51°11°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 1pm. Mostly sunny, with a high near 63.
Night: Patchy fog after 5am. Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 63°17°–67°19°
- Low, likely
- 47°8°–54°12°
- Typical high / low
- 72°22° / 50°10°
- Wind
- 9 mph15 km/h, gusts 15 mph23 km/h
- UV peak
- 5
Wednesday, Oct 28. Cloudy. High 63°17°, low 52°11°. Typical 71°22° / 50°10°. Dry. Mostly agree.
Morning
6 AM–noon
Mostly sunny, 51°11°Dry
Afternoon
noon–6 PM
Cloudy, 66°19°Dry
Evening
6 PM–midnight
Cloudy, 59°15°Dry
Overnight
midnight–6 AM
Cloudy, 56°13°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Patchy fog before 8am. Mostly sunny, with a high near 63.
Night: Mostly cloudy, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 63°17°–68°20°
- Low, likely
- 48°9°–53°12°
- Typical high / low
- 71°22° / 50°10°
- Wind
- 7 mph11 km/h
- UV peak
- 4
Thursday, Oct 29. Cloudy. High 60°16°, low 51°11°. Typical 71°22° / 49°9°. Rain, 20% chance. Mostly agree.
Morning
6 AM–noon
Cloudy, 55°13°Dry
Afternoon
noon–6 PM
Cloudy, 65°18°Dry
Evening
6 PM–midnight
Clear, 57°14°Dry
Overnight
midnight–6 AM
Clear, 50°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 5pm. Partly sunny, with a high near 60.
Night: A chance of rain. Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 60°16°–67°19°
- Low, likely
- 50°10°–56°13°
- Typical high / low
- 71°22° / 49°9°
- Wind
- 9 mph14 km/h, gusts 24 mph39 km/h
- UV peak
- 4
Friday, Oct 30. Rain. High 59°15°, low 51°11°. Typical 71°22° / 49°9°. Rain 0.01 in0.3 mm, 30% chance. Mostly agree.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 63°17°Dry
Evening
6 PM–midnight
Clear, 56°13°Dry
Overnight
midnight–6 AM
Clear, 50°10°Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain. Partly sunny, with a high near 59.
Night: A chance of rain. Mostly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
- High, likely
- 59°15°–64°18°
- Low, likely
- 45°7°–53°12°
- Typical high / low
- 71°22° / 49°9°
- Wind
- 12 mph19 km/h, gusts 25 mph40 km/h
- UV peak
- 4
Saturday, Oct 31. Mostly sunny. High 63°17°, low 48°9°. Typical 70°21° / 49°9°. Dry. Mostly agree.
Morning
6 AM–noon
Sunny, 50°10°Dry
Afternoon
noon–6 PM
Sunny, 64°18°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.
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
- 61°16°–67°19°
- Low, likely
- 43°6°–53°12°
- Typical high / low
- 70°21° / 49°9°
- Wind
- 7 mph11 km/h, gusts 18 mph29 km/h
- UV peak
- 4
Sunday, Nov 1. Drizzle. High 65°18°, low 48°9°. Typical 70°21° / 49°9°. Rain 0.01 in0.3 mm, 20% chance. Forecasts differ.
Morning
6 AM–noon
Sunny, 49°9°Dry
Afternoon
noon–6 PM
Sunny, 65°18°Dry
Evening
6 PM–midnight
Clear, 59°15°Dry
Overnight
midnight–6 AM
Rain, 49°9°Dry
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
- 61°16°–70°21°
- Low, likely
- 42°6°–53°12°
- Typical high / low
- 70°21° / 49°9°
- Wind
- 10 mph17 km/h, gusts 22 mph36 km/h
- UV peak
- 4
Monday, Nov 2. Rain. High 60°16°, low 48°9°. Typical 70°21° / 49°9°. Rain 0.17 in4.3 mm, 10% chance. Mostly agree.
Morning
6 AM–noon
Drizzle, 52°11°Dry
Afternoon
noon–6 PM
Cloudy, 57°14°Dry
Evening
6 PM–midnight
Cloudy, 54°12°Dry
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
- 58°14°–64°18°
- Low, likely
- 44°7°–53°12°
- Typical high / low
- 70°21° / 49°9°
- Wind
- 12 mph19 km/h, gusts 22 mph35 km/h
The outlook
Today
Dry, high 66°, low 52°.
Tomorrow
Dry, high 65°, low 54°.
Monday
Dry, high 62°, low 51°, cooling off.
Rest of week
Mostly dry, highs 59–65°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (MTR) (opens in a new tab)
What changed since yesterday
No meaningful changes from yesterday’s forecast.
Radar
Radar data: NOAA MRMS, rendered by forecast.blue
Radar loads when scrolled into view
Rivers
NOAA river gauges within 25 mi
Wildcat Creek at Vale Rd Bridge
5.4 mi- Level
- 2.0 ft
Reading from Sat 10 AM · NWS gauge page
Martinez
8.2 mi- Level
- 5.8 ft
Reading from Sat 10 AM · NWS gauge page
Alhambra Creek at Ward St
8.3 mi- Level
- 0.2 ft
Reading from Sat 10:15 AM · NWS gauge page
For your home
What this week’s weather means for heating, cooling, pipes and fresh air.
Heating this week
About 55% less heating than a typical week.
This week 14Typical 30
Heating degree days, base 65°F
Comfort
Dry air outside (dew point 45°F).
Open the windows?
Today, 12:00 PM–8:00 PM
Good stretch to open the windows.
Is this typical?
SAN RAFAEL-CIVIC CENTER · official normals 1991–2020 · records 1894–2026
Oct 24, today vs a typical year
Today’s expected high is 7°4° colder than typical.
- Normal high / low
- 73°23° / 50°10°
- Forecast high / low
- 66°19° / 52°11°
- Record high
- 92°33° in 1959
- Record low
- 36°2° in 1894
Last 7 days vs normal
On average 1° colder than normal (daily mean temperature).
- +1°±0°SunOct 18
- −2°−1°MonOct 19
- −3°−2°TueOct 20
- −1°WedOct 21
- −4°−2°ThuOct 22
- +2°+1°FriOct 23
- —SatOct 24
Hercules weather by month: normals, records, snow and freeze dates
Sun & moon
Sun
Sunrise 7:26 AM, sunset 6:19 PM.
- Daylight
- 10 h 52 min
- Losing 2 min 16 s a day; shortest Dec 21, 1 h 21 min less
- Golden hour
- 5:42–6:35 PM
- Morning 7:10–8:03 AM
- Blue hour
- 6:35–6:46 PM
- Morning 6:59–7:10 AM; first light 6:59 AM
Stars tonight? Fair
Mostly clear 6:46 PM–3 AM, but the moon is 99% lit and up.
Moon
Waxing gibbous
97% lit · growing
- Today
- sets 5:48 AM · rises 5:19 PM
- Full moon
- Oct 25
- New moon
- Nov 8
