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Weather & Climate in Portland, AR
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Portland enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 43°F in January while summers reach 81°F in July. The area gets 304 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 56.4 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 126 feet.
Temperature
43°F Jan (6°C)
81°F Jul (27°C)
| Annual Average | 63.1°F |
| 17% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 126 ft (38 m) |
| Area | 1.1 sq mi (2.8 km²) |
| Population Density | 402/sq mi |
| Coordinates | 33.2379°N, 91.5109°W |
| Timezone | America/Chicago |
| County | Chicot County County |
| Nearest Airport | Monroe Regional (MLU) 58 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 43.8 / 100 |
| Social Vulnerability | 92.2 / 100 |
| Community Resilience | 31.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
15 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Jan 8, 2019 | 8 km WNW of Hollandale, Mississippi | M3.7 | 54 km | 16 km |
| Jun 10, 1994 | 4 km E of Junction City, Arkansas | M3.2 | 111 km | 5 km |
| Aug 11, 1996 | 9 km WSW of Shaw, Mississippi | M3.1 | 70 km | 10 km |
| Oct 26, 2002 | 3 km SE of Alligator, Mississippi | M3.1 | 119 km | 3 km |
| Mar 3, 2001 | 2 km SSE of El Dorado, Arkansas | M3.0 | 107 km | 5 km |
| May 16, 2007 | 5 km SW of Calion, Arkansas | M3.0 | 100 km | 5 km |
| May 3, 2015 | 8 km WSW of Canton, Mississippi | M3.0 | 150 km | 5 km |
| Dec 17, 2001 | 3 km WSW of El Dorado, Arkansas | M2.8 | 111 km | 10 km |
| Jan 9, 1997 | 6 km E of El Dorado, Arkansas | M2.8 | 101 km | 5 km |
| Feb 24, 2020 | 12 km ENE of Junction City, Arkansas | M2.8 | 103 km | 14 km |
| May 11, 2020 | 13 km SSE of El Dorado, Arkansas | M2.8 | 103 km | 12 km |
| Feb 11, 1991 | 10 km SSW of Clarksdale, Mississippi | M2.7 | 128 km | 12 km |
| Dec 24, 1997 | 7 km W of El Dorado, Arkansas | M2.6 | 115 km | 5 km |
| Oct 18, 2009 | 9 km SE of Redfield, Arkansas | M2.6 | 139 km | 29 km |
| Jan 12, 2017 | 9 km E of Leola, Arkansas | M2.6 | 139 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Laura | Category 2 | 98 mph | 203 km |
| 2005 | Katrina | Category 1 | 92 mph | 248 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
506 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 158 fatalities, 2,226 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 21, 1971 | EF5 | 96 km | 109.2 mi | 47 |
| Mar 24, 2023 | EF4 | 65 km | 59.2 mi | 17 |
| Apr 24, 2010 | EF4 | 95 km | 149.0 mi | 10 |
| Nov 24, 2001 | EF4 | 46 km | 30.3 mi | 0 |
| Mar 9, 1992 | EF4 | 62 km | 20.0 mi | 0 |
| Apr 1, 1983 | EF4 | 81 km | 9.0 mi | 2 |
| Apr 17, 1978 | EF4 | 54 km | 3.6 mi | 0 |
| Mar 28, 1975 | EF4 | 66 km | 5.4 mi | 7 |
| Feb 21, 1971 | EF4 | 75 km | 202.1 mi | 58 |
| Apr 3, 1968 | EF4 | 82 km | 33.7 mi | 5 |
| Apr 12, 2020 | EF3 | 88 km | 2.6 mi | 0 |
| Feb 24, 2007 | EF3 | 60 km | 29.1 mi | 0 |
| Nov 24, 2001 | EF3 | 60 km | 30.0 mi | 3 |
| Nov 24, 2001 | EF3 | 82 km | 5.0 mi | 0 |
| Feb 24, 2001 | EF3 | 50 km | 42.0 mi | 0 |
| May 7, 1984 | EF3 | 64 km | 1.0 mi | 0 |
| Apr 1, 1983 | EF3 | 83 km | 4.0 mi | 0 |
| Apr 1, 1983 | EF3 | 90 km | 3.0 mi | 0 |
| Apr 8, 1979 | EF3 | 34 km | 17.7 mi | 0 |
| Mar 20, 1976 | EF3 | 34 km | 4.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,134 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | UNNAMED | 4,134 | 26 km |
| 2006 | MOLLICY WARREN | 2,175 | 57 km |
| 2000 | UNNAMED | 2,042 | 56 km |
| 2012 | LACEY | 1,439 | 44 km |
| 2010 | DREW | 1,283 | 26 km |
| 2006 | SHALLOW LAKE ROAD WEST 2 H | 1,146 | 64 km |
| 2013 | SINGLETON CREEK | 1,124 | 57 km |
| 2007 | BOULDIN HOUSE N 3F | 1,061 | 65 km |
| 2006 | UNNAMED | 1,057 | 55 km |
| 2011 | SHALLOW LAKE WEST | 900 | 63 km |
| 2000 | SHALLOW LAKE W | 892 | 63 km |
| 1986 | UNNAMED | 889 | 64 km |
| 1987 | UNNAMED | 839 | 64 km |
| 1989 | SHALLOW LAKE | 820 | 64 km |
| 1996 | RIDGE ROAD | 804 | 63 km |
| 2006 | PINE ISLAND | 757 | 54 km |
| 2014 | ARFSR-FY14-RX-JONES LAKE | 752 | 67 km |
| 1995 | BOULDINHSE | 748 | 64 km |
| 2007 | EAGLE LAKE | 742 | 63 km |
| 2006 | UNNAMED | 741 | 65 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 4.7 in | Coldest |
| February | 47°F (8°C) | 5.1 in | |
| March | 55°F (13°C) | 5.5 in | |
| April | 63°F (17°C) | 4.8 in | |
| May | 71°F (22°C) | 5.0 in | |
| June | 79°F (26°C) | 4.2 in | |
| July | 81°F (27°C) | 4.2 in | Warmest |
| August | 80°F (27°C) | 3.0 in | |
| September | 75°F (24°C) | 3.0 in | Driest |
| October | 64°F (18°C) | 3.7 in | |
| November | 54°F (12°C) | 5.2 in | |
| December | 46°F (8°C) | 5.7 in | Wettest |
Portland has a seasonal temperature swing of 39°F / from 43°F in January to 81°F in July. Total annual precipitation is 54.0 inches, with December being the wettest month (5.7") and September the driest (3.0").