Sidney weather in August: Sidney, Nebraska: normal highs, lows, rain and records for August
Sidney in August has a normal high of 88°F and a normal low of 55°F, a daily mean of 72°F, falling from 90°F on the 1st to 85°F by the 31st. Measurable precipitation falls on 9 days in a normal August, 2.03 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 31°C and low of 13°C, 52 mm of precipitation in August.
- NOAA stationSidney Municipal Airport
- Station IDUSW00024030
- Location41.10°N 102.98°W
- Elevation4,309 ft (1,313 m)
- Population6,483
- Jan 42° 14°
- Feb 44° 15°
- Mar 54° 23°
- Apr 61° 30°
- May 70° 40°
- Jun 82° 51°
- Jul 90° 57°
- Aug 88° 55°
- Sep 79° 46°
- Oct 64° 32°
- Nov 51° 21°
- Dec 42° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Sidney in August?
The normal high is 88°F and the normal low 55°F, for a daily mean of 71.6°F. August is 2.1°F cooler than July and 9.3°F warmer than September. August is the 2nd warmest month of the year in Sidney and the 4th wettest. Across the month the normal high falls 5°F, from 90°F on August 1 to 85°F on August 31. From one year to the next August's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 69°F and 74°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 31%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 90°F | 59°F | 31% | 13% |
| August 8 | 89°F | 58°F | 30% | 13% |
| August 15 | 88°F | 56°F | 29% | 13% |
| August 22 | 87°F | 54°F | 28% | 13% |
| August 31 | 85°F | 51°F | 26% | 12% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 90°F | 59°F | 31% | 13% | 14 h 20 min |
| August 2 | 90°F | 58°F | 31% | 13% | 14 h 20 min |
| August 3 | 90°F | 58°F | 31% | 13% | 14 h 20 min |
| August 4 | 90°F | 58°F | 31% | 13% | 14 h 20 min |
| August 5 | 90°F | 58°F | 31% | 13% | 14 h 10 min |
| August 6 | 90°F | 58°F | 30% | 13% | 14 h 10 min |
| August 7 | 90°F | 58°F | 30% | 13% | 14 h 10 min |
| August 8 | 89°F | 58°F | 30% | 13% | 14 h 10 min |
| August 9 | 89°F | 57°F | 30% | 13% | 14 h 10 min |
| August 10 | 89°F | 57°F | 30% | 13% | 14 h |
| August 11 | 89°F | 57°F | 29% | 13% | 14 h |
| August 12 | 89°F | 57°F | 29% | 13% | 14 h |
| August 13 | 89°F | 56°F | 29% | 13% | 14 h |
| August 14 | 88°F | 56°F | 29% | 13% | 13 h 50 min |
| August 15 | 88°F | 56°F | 29% | 13% | 13 h 50 min |
| August 16 | 88°F | 56°F | 29% | 13% | 13 h 50 min |
| August 17 | 88°F | 55°F | 28% | 13% | 13 h 50 min |
| August 18 | 88°F | 55°F | 28% | 13% | 13 h 40 min |
| August 19 | 87°F | 55°F | 28% | 13% | 13 h 40 min |
| August 20 | 87°F | 55°F | 28% | 13% | 13 h 40 min |
| August 21 | 87°F | 54°F | 28% | 13% | 13 h 40 min |
| August 22 | 87°F | 54°F | 28% | 13% | 13 h 40 min |
| August 23 | 87°F | 54°F | 27% | 13% | 13 h 30 min |
| August 24 | 86°F | 53°F | 27% | 13% | 13 h 30 min |
| August 25 | 86°F | 53°F | 27% | 13% | 13 h 30 min |
| August 26 | 86°F | 53°F | 27% | 13% | 13 h 20 min |
| August 27 | 86°F | 53°F | 27% | 12% | 13 h 20 min |
| August 28 | 86°F | 52°F | 26% | 12% | 13 h 20 min |
| August 29 | 85°F | 52°F | 26% | 12% | 13 h 20 min |
| August 30 | 85°F | 52°F | 26% | 12% | 13 h 10 min |
| August 31 | 85°F | 51°F | 26% | 12% | 13 h 10 min |
- Normal high
- 88°FAugust average
- Normal low
- 55°FAugust average
- Precipitation
- 2.03 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 14
- Daylight
- 14 h 20 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 26
- Sunshine
- 86%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024030; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Sidney in August?
On a given August day the chance of 0.01 inch or more is 29% on average, highest around August 1 (31%). In all, 2.03 in falls on 9 days of a normal August.
In a normal August in Sidney, 14 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024030.
How humid and windy is Sidney in August?
At 3 p.m. the normal temperature is 83°F with 27% relative humidity and a dew point of 46°F; at 6 a.m. it is 57°F with 76% humidity. The wind averages 10.5 mph, most often from the southeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 57°F | 49°F | 76% | 8.4 mph | – |
| 9 a.m. | 72°F | 50°F | 46% | 11.2 mph | 81% |
| noon | 81°F | 48°F | 32% | 11.9 mph | 84% |
| 3 p.m. | 83°F | 46°F | 27% | 12.3 mph | 84% |
| 6 p.m. | 76°F | 48°F | 38% | 11.3 mph | 86% |
| 9 p.m. | 65°F | 49°F | 58% | 9.9 mph | 84% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024030. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for August in Sidney?
The warmest August temperature on this station's record (since 1948) is 104°F, on August 8, 1969; the coldest is 35°F, on August 23, 2015. The wettest August brought 7.47 in (1968).
The August mean against the 1991-2020 normal of 71.6°F: 2021 72.4°F (+0.8), 2022 75.2°F (+3.6), 2023 72.1°F (+0.5), 2024 72.3°F (+0.7), 2025 70.6°F (−1.0), 2026 75.1°F (+3.5). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 72.4°F | +0.8°F | 0.64 in |
| 2022 | 75.2°F | +3.6°F | 0.10 in |
| 2023 | 72.1°F | +0.5°F | 5.43 in |
| 2024 | 72.3°F | +0.7°F | 2.31 in |
| 2025 | 70.6°F | −1.0°F | 2.84 in |
| 2026 | 75.1°F | +3.5°F | 2.11 in |
Source: records: ACIS, station USW00024030; recent months: ACIS, station USW00024030. Records and recent months use complete months only.
How does August in Sidney compare across Nebraska?
Across the 137 places PlainClimate covers in Nebraska, August normal highs run from 81°F in Oakdale to 90°F in Beaver City; Sidney's is 88°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.