Newcastle climate

Newcastle Weather in August

NOAA 1991-2020 normals for Newcastle, 1.4 km from Newcastle

Average highs run from 88°F on August 1 to 82°F on August 31, and lows from 61°F to 55°F. Normal precipitation for the month is 1.82 in over about 7 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Newcastle, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
86°F
Average low
59°F
Precipitation
1.82 in
Record high
105°FAug 14, 1937
Record low
26°FAug 25, 1910
Chance of a freeze
0%
Days of 90°F or more
12.6
Daylight
14 h 34 min to 13 h 15 min
Cloud cover
45%
Humidity
54%
Dew point
47°F
Wind
5.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 188°F61°F104°F 202243°F 191127%0%
Aug 288°F61°F104°F 202244°F 191126%0%
Aug 388°F61°F104°F 202638°F 197826%0%
Aug 488°F61°F104°F 202440°F 198026%0%
Aug 588°F61°F101°F 200145°F 198026%0%
Aug 688°F61°F102°F 193748°F 192826%0%
Aug 788°F61°F103°F 200140°F 192125%0%
Aug 887°F60°F103°F 199539°F 193925%0%
Aug 987°F60°F103°F 200141°F 191025%0%
Aug 1087°F60°F102°F 193539°F 193925%0%
Aug 1187°F60°F100°F 193640°F 197724%0%
Aug 1287°F60°F100°F 200040°F 200424%0%
Aug 1387°F59°F99°F 199637°F 192524%0%
Aug 1486°F59°F105°F 193745°F 198523%0%
Aug 1586°F59°F101°F 190945°F 194223%0%
Aug 1686°F59°F98°F 190641°F 193023%0%
Aug 1786°F59°F101°F 190735°F 200223%0%
Aug 1886°F58°F99°F 202145°F 196823%0%
Aug 1985°F58°F99°F 198639°F 197822%0%
Aug 2085°F58°F98°F 191039°F 193922%0%
Aug 2185°F58°F99°F 193743°F 196622%0%
Aug 2285°F57°F101°F 202335°F 196622%0%
Aug 2384°F57°F103°F 193734°F 201521%0%
Aug 2484°F57°F99°F 193635°F 191021%0%
Aug 2584°F57°F100°F 192626°F 191021%0%
Aug 2684°F56°F103°F 192633°F 190621%0%
Aug 2783°F56°F101°F 193737°F 197621%0%
Aug 2883°F56°F99°F 200336°F 191121%0%
Aug 2983°F55°F98°F 201240°F 191521%0%
Aug 3082°F55°F100°F 201235°F 191021%0%
Aug 3182°F55°F98°F 202338°F 194421%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Newcastle, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 5:46 AM, sunset 8:20 PM
August 31
sunrise 6:19 AM, sunset 7:34 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00486660 (Newcastle), public domain. Records: NOAA GHCN-Daily, station USC00486660, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.