As of 13:47 PDT

Weather in Newcastle, CA

97°Current weather

Newcastle, Saturday, 8 August, 13:47

Overcast. Feels like 97°. High 97°, low 66°.

Pressure29.85 inHg
Wind3 mph SW
Humidity29%
Visibility6.2 mi
Dew point59°

Monthly outlook for Newcastle, CA: average high 97.6°, average low 67.5°. That is 3.3° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.1 inches. The warmest day looks like 22 August (104.3°), the coolest 15 August (63.2°).

97.6°/67.5°
Average high / low
+3.3°
Above normal
0 / 0
Wet days / normal
0.0 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
8 August – 17 August96.3°92.7°+2°
18 August – 27 August99.7°90.4°+5.2°
28 August – 6 Septemberat normal91.4°

August records over 66 years

110.7°17 August 2020All-time high
51.6°16 August 1976All-time low

Climate normals and records are computed from the nearest reference point — Roseville (12 mi).

Sun, 09102° / 69°0Clear
102 °Clear

Newcastle, Sunday, 9 August

Clear. High 102°, low 69°.

Pressure29.77 inHg
Wind7.1 mph SW
Humidity14%
Visibility6.2 mi
Dew point40°
Mon, 10103° / 68°0Overcast
103 °Overcast

Newcastle, Monday, 10 August

Overcast. High 103°, low 68°.

Pressure29.83 inHg
Wind6.6 mph SW
Humidity13%
Visibility6.2 mi
Dew point37°
Tue, 11101° / 68°0Clear
101 °Clear

Newcastle, Tuesday, 11 August

Clear. High 101°, low 68°.

Pressure29.88 inHg
Wind6.8 mph SW
Humidity17%
Visibility6.2 mi
Dew point42°
Wed, 1299° / 70°0Partly cloudy
99 °Partly cloudy

Newcastle, Wednesday, 12 August

Partly cloudy. High 99°, low 70°.

Pressure29.83 inHg
Wind6.5 mph SW
Humidity17%
Visibility6.2 mi
Dew point41°
Thu, 1395° / 67°0Overcast
95 °Overcast

Newcastle, Thursday, 13 August

Overcast. High 95°, low 67°.

Pressure29.77 inHg
Wind8.2 mph SW
Humidity21%
Visibility
Dew point44°
Fri, 1487° / 66°0Overcast
87 °Overcast

Newcastle, Friday, 14 August

Overcast. High 87°, low 66°.

Pressure29.88 inHg
Wind7.8 mph SW
Humidity26%
Visibility
Dew point46°
Sat, 1593° / 63°0Clear
93 °Clear

Newcastle, Saturday, 15 August

Clear. High 93°, low 63°.

Pressure29.94 inHg
Wind8 mph SW
Humidity23%
Visibility
Dew point45°
Sun, 1695° / 64°0Overcast
95 °Overcast

Newcastle, Sunday, 16 August

Overcast. High 95°, low 64°.

Pressure29.94 inHg
Wind6.8 mph SW
Humidity16%
Visibility
Dew point38°
Mon, 1790° / 68°0Overcast
90 °Overcast

Newcastle, Monday, 17 August

Overcast. High 90°, low 68°.

Pressure30.00 inHg
Wind7 mph SW
Humidity17%
Visibility
Dew point36°
Tue, 1898° / 67°0Clear
98 °Clear

Newcastle, Tuesday, 18 August

Clear. High 98°, low 67°.

Pressure29.94 inHg
Wind7 mph W
Humidity17%
Visibility
Dew point42°
Wed, 1998° / 67°0Mostly clear
98 °Mostly clear

Newcastle, Wednesday, 19 August

Mostly clear. High 98°, low 67°.

Pressure29.88 inHg
Wind7 mph SW
Humidity13%
Visibility
Dew point34°
Thu, 2097° / 64°0Clear
97 °Clear

Newcastle, Thursday, 20 August

Clear. High 97°, low 64°.

Pressure29.85 inHg
Wind6.8 mph SW
Humidity14%
Visibility
Dew point36°
Fri, 21101° / 68°0Clear
101 °Clear

Newcastle, Friday, 21 August

Clear. High 101°, low 68°.

Pressure29.83 inHg
Wind6.9 mph SW
Humidity13%
Visibility
Dew point38°
Sat, 22104° / 73°0Overcast
104 °Overcast

Newcastle, Saturday, 22 August

Overcast. High 104°, low 73°.

Pressure29.77 inHg
Wind7.5 mph W
Humidity11%
Visibility
Dew point36°
Sun, 2399° / 71°0Light rain
99 °Light rain

Newcastle, Sunday, 23 August

Light rain. High 99°, low 71°.

Pressure29.80 inHg
Wind8.3 mph SW
Humidity17%
Visibility
Dew point44°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2491° / 61°0Climate normal
91 °Climate normal

Newcastle, Monday, 24 August

Climate normal for this date — 60-year average.

Average high91°
Average low61°
Average precipitation0 in
Chance of precipitation2%
Record high105° (2010)
Record low54° (1963)
Tue, 2590° / 61°0Climate normal
90 °Climate normal

Newcastle, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high90°
Average low61°
Average precipitation0 in
Chance of precipitation0%
Record high107° (2010)
Record low53° (2024)
Wed, 2691° / 61°0Climate normal
91 °Climate normal

Newcastle, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high91°
Average low61°
Average precipitation0 in
Chance of precipitation0%
Record high104° (2017)
Record low55° (1966)
Thu, 2792° / 62°0Climate normal
92 °Climate normal

Newcastle, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high92°
Average low62°
Average precipitation0 in
Chance of precipitation0%
Record high107° (2017)
Record low55° (1991)
Fri, 2892° / 62°0Climate normal
92 °Climate normal

Newcastle, Friday, 28 August

Climate normal for this date — 60-year average.

Average high92°
Average low62°
Average precipitation0 in
Chance of precipitation0%
Record high107° (2017)
Record low55° (1960)
Sat, 2992° / 62°0Climate normal
92 °Climate normal

Newcastle, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high92°
Average low62°
Average precipitation0 in
Chance of precipitation0%
Record high106° (2021)
Record low54° (1980)
Sun, 3091° / 62°0Climate normal
91 °Climate normal

Newcastle, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high91°
Average low62°
Average precipitation0 in
Chance of precipitation2%
Record high103° (1976)
Record low54° (1966)
Mon, 3191° / 61°0Climate normal
91 °Climate normal

Newcastle, Monday, 31 August

Climate normal for this date — 60-year average.

Average high91°
Average low61°
Average precipitation0 in
Chance of precipitation2%
Record high103° (1976)
Record low55° (1966)
Tue, 0192° / 62°0.01Climate normal
92 °Climate normal

Newcastle, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high92°
Average low62°
Average precipitation0.01 in
Chance of precipitation3%
Record high109° (2017)
Record low53° (1999)
Wed, 0291° / 62°0.03Climate normal
91 °Climate normal

Newcastle, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high91°
Average low62°
Average precipitation0.03 in
Chance of precipitation7%
Record high107° (2017)
Record low51° (1964)
Thu, 0391° / 62°0Climate normal
91 °Climate normal

Newcastle, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high91°
Average low62°
Average precipitation0 in
Chance of precipitation2%
Record high106° (2017)
Record low52° (2000)
Fri, 0491° / 62°0Climate normal
91 °Climate normal

Newcastle, Friday, 4 September

Climate normal for this date — 60-year average.

Average high91°
Average low62°
Average precipitation0 in
Chance of precipitation0%
Record high108° (2022)
Record low52° (1965)
Sat, 0591° / 62°0.01Climate normal
91 °Climate normal

Newcastle, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high91°
Average low62°
Average precipitation0.01 in
Chance of precipitation3%
Record high116° (2022)
Record low52° (2000)
Sun, 0691° / 62°0Climate normal
91 °Climate normal

Newcastle, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high91°
Average low62°
Average precipitation0 in
Chance of precipitation2%
Record high118° (2022)
Record low53° (1973)

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Newcastle, CA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Newcastle, CA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.