Observed 9:25 PM PDT at KRAL

Grand Terrace, CA weather

Clear and 64°18°.

Mostly agree

Now 64°18°

Clear

Wind: 5 mph7 km/h; From the west. Up to 5 mph8 km/h through 9 AM
Dew point: 54°12°; Comfortable
UV tomorrow: 5Moderate; Moderate 10 AM–5 PM · peak 5
Air quality: 56Moderate; Main pollutant: PM2.5 (fine particles)
Pressure: 30.01 inHg1016 hPa; Rising · +0.06 inHg+1.9 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Low 56°13° tomorrow at 6 AM
Above 70°21° tomorrow by noon
High 76°24° tomorrow at 3 PM
Below 70°21° tomorrow night after 8 PM

TonightDown to 57°14° by 4 AM · Clear
Tomorrow morningUp to 69°21° by 11 AM · Clear
Tomorrow afternoonUp to 76°24° by 3 PM · Clear
Tomorrow nightDown to 58°14° by 4 AM · Partly cloudy
Monday morningUp to 72°22° by 11 AM · Clear
Monday afternoonUp to 78°26° by 3 PM · Clear
Monday nightDown to 67°19° by 8 PM · Clear

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 9p	Clear	65°18° (likely 61°16° to 66°19°)	65°18°	0%	5 mph8 km/h from S, gusts 6 mph10 km/h	64%	1%	0
Sat 10p	Clear	63°17° (likely 59°15° to 64°18°)	63°17°	0%	5 mph8 km/h from S, gusts 6 mph10 km/h	67%	0%	0
Sat 11p	Clear	62°17° (likely 58°14° to 63°17°)	62°17°	0%	5 mph8 km/h from S, gusts 6 mph9 km/h	68%	0%	0
Sun 12a	Clear	60°16° (likely 56°13° to 61°16°)	60°16°	0%	5 mph8 km/h from SE, gusts 5 mph8 km/h	70%	0%	0
Sun 1a	Clear	59°15° (likely 55°13° to 60°16°)	59°15°	0%	5 mph8 km/h from SE, gusts 4 mph6 km/h	72%	0%	0
Sun 2a	Clear	58°14° (likely 54°12° to 59°15°)	58°14°	0%	5 mph8 km/h from E, gusts 3 mph5 km/h	71%	1%	0
Sun 3a	Clear	58°14° (likely 52°11° to 58°14°)	58°14°	0%	5 mph8 km/h from SE, gusts 4 mph7 km/h	71%	3%	0
Sun 4a	Clear	57°14° (likely 52°11° to 57°14°)	57°14°	0%	5 mph8 km/h from SE, gusts 3 mph5 km/h	71%	7%	0
Sun 5a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	5 mph8 km/h from SE, gusts 3 mph5 km/h	70%	7%	0
Sun 6a	Clear	56°13° (likely 50°10° to 56°13°)	56°13°	0%	5 mph8 km/h from SE, gusts 4 mph7 km/h	70%	7%	0
Sun 7a	Sunny	56°13° (likely 50°10° to 56°13°)	56°13°	0%	5 mph8 km/h from E, gusts 5 mph8 km/h	68%	6%	0
Sun 8a	Sunny	57°14° (likely 51°11° to 57°14°)	57°14°	0%	0 mph0 km/h, gusts 4 mph7 km/h	70%	0%	0
Sun 9a	Sunny	60°16° (likely 58°14° to 63°17°)	60°16°	0%	0 mph0 km/h, gusts 4 mph6 km/h	68%	0%	1
Sun 10a	Sunny	64°18° (likely 64°18° to 69°21°)	64°18°	0%	0 mph0 km/h, gusts 3 mph5 km/h	60%	0%	3
Sun 11a	Sunny	69°21° (likely 69°21° to 73°23°)	69°21°	0%	0 mph0 km/h, gusts 3 mph5 km/h	48%	0%	4
Sun 12p	Sunny	72°22° (likely 72°22° to 77°25°)	72°22°	0%	0 mph0 km/h, gusts 3 mph5 km/h	43%	0%	5
Sun 1p	Sunny	74°23° (likely 74°23° to 80°27°)	74°23°	0%	0 mph0 km/h, gusts 4 mph7 km/h	40%	0%	5
Sun 2p	Sunny	75°24° (likely 75°24° to 81°27°)	75°24°	0%	5 mph8 km/h from W, gusts 5 mph8 km/h	39%	0%	5
Sun 3p	Sunny	76°24° (likely 75°24° to 81°27°)	76°24°	0%	5 mph8 km/h from W, gusts 8 mph12 km/h	38%	0%	4
Sun 4p	Sunny	75°24° (likely 74°23° to 80°27°)	75°24°	0%	5 mph8 km/h from W, gusts 8 mph13 km/h	41%	0%	3
Sun 5p	Sunny	76°24° (likely 73°23° to 78°26°)	76°24°	0%	5 mph8 km/h from W, gusts 9 mph15 km/h	42%	1%	1
Sun 6p	Clear	74°23° (likely 68°20° to 74°23°)	74°23°	0%	5 mph8 km/h from SW, gusts 11 mph18 km/h	47%	7%	0
Sun 7p	Mostly clear	70°21° (likely 65°18° to 70°21°)	70°21°	0%	5 mph8 km/h from SW, gusts 12 mph19 km/h	54%	20%	0
Sun 8p	Mostly clear	68°20° (likely 62°17° to 68°20°)	68°20°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	58%	46%	0
Sun 9p	Mostly clear	66°19° (likely 60°16° to 66°19°)	66°19°	0%	5 mph8 km/h from S, gusts 5 mph9 km/h	60%	53%	0
Sun 10p	Mostly clear	64°18° (likely 59°15° to 64°18°)	65°18°	0%	5 mph8 km/h from S, gusts 6 mph9 km/h	62%	68%	0
Sun 11p	Mostly clear	63°17° (likely 57°14° to 63°17°)	63°17°	0%	5 mph8 km/h from S, gusts 5 mph8 km/h	63%	69%	0
Mon 12a	Mostly clear	62°17° (likely 56°13° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 3 mph5 km/h	65%	68%	0
Mon 1a	Mostly clear	60°16° (likely 55°13° to 60°16°)	61°16°	0%	0 mph0 km/h, gusts 4 mph6 km/h	68%	50%	0
Mon 2a	Clear	60°16° (likely 54°12° to 60°16°)	60°16°	0%	0 mph0 km/h, gusts 4 mph7 km/h	68%	42%	0
Mon 3a	Clear	59°15° (likely 53°12° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 5 mph9 km/h	69%	41%	0
Mon 4a	Clear	58°14° (likely 52°11° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 4 mph7 km/h	69%	3%	0
Mon 5a	Clear	58°14° (likely 52°11° to 58°14°)	58°14°	0%	5 mph8 km/h from SE, gusts 4 mph6 km/h	68%	11%	0
Mon 6a	Clear	57°14° (likely 51°11° to 57°14°)	57°14°	0%	5 mph8 km/h from SE, gusts 4 mph7 km/h	69%	0%	0
Mon 7a	Sunny	57°14° (likely 50°10° to 57°14°)	57°14°	0%	5 mph8 km/h from SE, gusts 4 mph7 km/h	71%	1%	0
Mon 8a	Sunny	58°14° (likely 51°11° to 58°14°)	58°14°	0%	0 mph0 km/h, gusts 5 mph8 km/h	69%	0%	0
Mon 9a	Sunny	62°17° (likely 57°14° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 4 mph6 km/h	62%	0%	1
Mon 10a	Sunny	67°19° (likely 65°18° to 70°21°)	67°19°	0%	0 mph0 km/h, gusts 2 mph4 km/h	54%	0%	3
Mon 11a	Sunny	72°22° (likely 70°21° to 75°24°)	72°22°	0%	0 mph0 km/h, gusts 2 mph3 km/h	46%	0%	4
Mon 12p	Sunny	74°23° (likely 73°23° to 78°26°)	74°23°	0%	0 mph0 km/h, gusts 3 mph5 km/h	41%	0%	5
Mon 1p	Sunny	76°24° (likely 75°24° to 80°27°)	76°24°	0%	5 mph8 km/h from W, gusts 5 mph9 km/h	37%	0%	5
Mon 2p	Sunny	77°25° (likely 75°24° to 81°27°)	77°25°	0%	5 mph8 km/h from W, gusts 8 mph12 km/h	35%	0%	5
Mon 3p	Sunny	78°26° (likely 75°24° to 81°27°)	78°26°	0%	5 mph8 km/h from SW, gusts 8 mph13 km/h	35%	0%	4
Mon 4p	Sunny	78°26° (likely 74°23° to 81°27°)	78°26°	0%	10 mph16 km/h from W, gusts 8 mph13 km/h	37%	0%	3
Mon 5p	Sunny	76°24° (likely 73°23° to 79°26°)	76°24°	0%	10 mph16 km/h from W, gusts 9 mph14 km/h	40%	0%	1
Mon 6p	Clear	74°23° (likely 66°19° to 75°24°)	74°23°	0%	0 mph0 km/h, gusts 7 mph12 km/h	43%	0%	0
Mon 7p	Clear	70°21° (likely 62°17° to 74°23°)	70°21°	0%	0 mph0 km/h, gusts 6 mph10 km/h	48%	0%	0
Mon 8p	Clear	67°19° (likely 59°15° to 72°22°)	67°19°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	53%	0%	0

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Sunny. High 77°25°, low 56°13°. Typical 80°27° / 46°8°. Dry. Mostly agree.
1. Evening
  6 PM–midnight
  Clear, 62°17°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 57°14°
  Dry
Official NWS forecast
Tonight: Clear, with a low around 56. Southeast wind around 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
76°24°–79°26°
Low, likely
50°10°–56°13°
Typical high / low
80°27° / 46°8°
Wind
11 mph18 km/h, gusts 17 mph27 km/h
UV peak
5
Tomorrow, Oct 25. Mostly sunny. High 78°26°, low 57°14°. Typical 80°27° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 76°24°
  Dry
3. Evening
  6 PM–midnight
  Mostly clear, 68°20°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 58°14°
  Dry
Official NWS forecast
Day: Sunny, with a high near 78. Southwest wind 0 to 5 mph.
Night: Mostly clear, with a low around 57. South wind 0 to 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
75°24°–81°27°
Low, likely
50°10°–57°14°
Typical high / low
80°27° / 46°8°
Wind
9 mph14 km/h, gusts 17 mph28 km/h
UV peak
5
Monday, Oct 26. Mostly sunny. High 79°26°, low 55°13°. Typical 79°26° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 58°14°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 78°26°
  Dry
3. Evening
  6 PM–midnight
  Clear, 67°19°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 54°12°
  Dry
Official NWS forecast
Day: Sunny, with a high near 79. Southwest wind 0 to 10 mph.
Night: Clear, with a low around 55. North wind 0 to 5 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
75°24°–80°27°
Low, likely
50°10°–55°13°
Typical high / low
79°26° / 46°8°
Wind
8 mph13 km/h, gusts 16 mph25 km/h
UV peak
5
Tuesday, Oct 27. Mostly sunny. High 77°25°, low 56°13°. Typical 79°26° / 46°8°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 75°24°
  Dry
3. Evening
  6 PM–midnight
  Clear, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Mostly clear, 54°12°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 77.
Night: Partly cloudy, with a low around 56.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
72°22°–77°25°
Low, likely
48°9°–59°15°
Typical high / low
79°26° / 46°8°
Wind
7 mph10 km/h, gusts 15 mph23 km/h
UV peak
5
Wednesday, Oct 28. Mostly cloudy. High 76°24°, low 57°14°. Typical 79°26° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 74°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 76.
Night: Mostly cloudy, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–76°24°
Low, likely
48°9°–59°15°
Typical high / low
79°26° / 45°7°
Wind
6 mph10 km/h, gusts 13 mph21 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 73°23°, low 57°14°. Typical 78°26° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 58°15°
  20% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 73.
Night: A slight chance of rain showers after 11pm. Mostly cloudy, with a low around 57.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–74°23°
Low, likely
51°11°–60°16°
Typical high / low
78°26° / 45°7°
Wind
8 mph12 km/h, gusts 15 mph25 km/h
UV peak
4
Friday, Oct 30. Showers. High 69°21°, low 55°13°. Typical 78°26° / 45°7°. Rain 0.09 in2.3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 58°14°
  30% chance
2. Afternoon
  noon–6 PM
  Drizzle, 67°20°
  30% chance · 0.02 in0.6 mm
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  50% chance · 0.03 in0.8 mm
4. Overnight
  midnight–6 AM
  Drizzle, 57°14°
  50% chance · 0.03 in0.7 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 69.
Night: A chance of rain showers. Mostly cloudy, with a low around 55.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–70°21°
Low, likely
55°13°–60°16°
Typical high / low
78°26° / 45°7°
Wind
9 mph15 km/h, gusts 18 mph29 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 66°19°, low 55°13°. Typical 78°26° / 44°7°. Rain 0.24 in6.1 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 57°14°
  40% chance · 0.02 in0.5 mm
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  40% chance · 0.02 in0.5 mm
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  40% chance
4. Overnight
  midnight–6 AM
  Partly cloudy, 53°12°
  40% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 66.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
62°17°–66°19°
Low, likely
51°11°–58°14°
Typical high / low
78°26° / 44°7°
Wind
11 mph17 km/h
UV peak
2
Sunday, Nov 1. Showers. High 65°18°, low 51°11°. Typical 78°26° / 44°7°. Rain 0.33 in8.4 mm, 40% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 54°12°
  40% chance
2. Afternoon
  noon–6 PM
  Drizzle, 65°19°
  40% chance · 0.1 in2.6 mm
3. Evening
  6 PM–midnight
  Clear, 57°14°
  40% chance · 0.06 in1.4 mm
4. Overnight
  midnight–6 AM
  Clear, 49°10°
  30% chance
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
62°17°–68°20°
Low, likely
44°7°–56°13°
Typical high / low
78°26° / 44°7°
Wind
7 mph12 km/h, gusts 15 mph23 km/h
UV peak
3
Monday, Nov 2. Cloudy. High 69°21°, low 50°10°. Typical 77°25° / 44°7°. Rain 0.02 in0.5 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 62°17°
  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
66°19°–71°22°
Low, likely
44°7°–54°12°
Typical high / low
77°25° / 44°7°
Wind
7 mph11 km/h
UV peak
5

10 days15 days30 days

The outlook

Today
Dry, high 77°, low 56°.
Tomorrow
Dry, high 78°, low 57°.
Monday
Dry, high 79°, low 55°.
Rest of week
Highs 65–77°; chance of precipitation on Saturday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (SGX) (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

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Santa Ana River at E St near San Bernardino

2.5 mi

Level: 2.7 ft
Flow: 11 cfs

Reading from Sat 8 PM · NWS gauge page

Lytle Creek near Colton

3.3 mi

Level: 2.1 ft
Flow: 6 cfs

Reading from Sat 8:15 PM · NWS gauge page

San Timoteo Creek near Loma Linda

3.3 mi

Level: 1.0 ft
Flow: 6 cfs

Reading from Sat 8:30 PM · NWS gauge page

Santa Ana River at MWD Crossing near Arlington

8.8 mi

Level: 3.9 ft
Flow: 64 cfs

Reading from Sat 9 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Cooling this week

This week 7Typical 0

Cooling degree days, base 65°F

Comfort

Dry air outside (dew point 54°F).

Open the windows?

Today, 10:00 PM–12:00 AM

Good stretch to open the windows.

Is this typical?

MARCH AFB · official normals 1991–2020 · records 1949–2026

Oct 24, today vs a typical year

Today’s expected high is 3°2° colder than typical.

Last 7 days vs normal

—MonOct 19
—TueOct 20
—WedOct 21
—ThuOct 22
—FriOct 23
—SatOct 24
—SunOct 25

Grand Terrace weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 2 min; Losing 1 min 57 s a day; shortest Dec 21, 1 h 9 min less
Golden hour: 5:30–6:20 PM; Morning 6:46–7:36 AM
Blue hour: 6:20–6:29 PM; Morning 6:36–6:46 AM; first light 6:36 AM

Stars tonight? Fair

Clear 9:45 PM–6:37 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

99% lit · growing

Today: sets 5:24 AM · rises 5:03 PM
Full moon: Oct 25
New moon: Nov 8

Looking northeast from Grand Terrace. The highest point on the skyline is about 10,700 ft, 25 mi away.Skyline from USGS elevation data, heights drawn up to 3× taller. Sky, sun and moon as they are now.