Frost dates 2026–2027

Frost dates for Newport, Rhode Island

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Newport Rose, 2.2 mi away (close match).

Last spring frostApr 7
First fall frostNov 13
216 frost-free days
Last spring frostApr 71 year in 10 after Apr 21
First fall frostNov 131 year in 10 by Oct 31
Growing season216 daysbetween median 32°F dates
Hardiness zoneZone 7a0 to 5°F average extreme low

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Will it freeze in Newport in the next 7 nights?

No overnight lows at or below 32°F are forecast in Newport during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 61°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM EST to Fri, Nov 6, 6:00 AM EST.

No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.

Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.

Frost and freeze probabilities

Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.

These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.

Average first hard freeze in Newport

The median first fall hard-freeze date (28°F) is November 25, from NOAA’s 1991–2020 Climate Normals at Newport Rose. This is the 50% probability date, not a forecast for this year.

TemperatureLast spring date
90% · 50% · 10% chance of a later freeze
First fall date
10% · 50% · 90% chance of an earlier freeze
Season
36°F frost possible Apr 10 · Apr 23 · May 6 Oct 17 · Nov 1 · Nov 12 189 days
32°F freeze Mar 28 · Apr 7 · Apr 21 Oct 31 · Nov 13 · Nov 27 216 days
28°F hard freeze Mar 14 · Mar 28 · Apr 8 Nov 11 · Nov 25 · Dec 11 242 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00375215. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Newport Rose

Average low temperature by month

Months with lows near or below freezing carry frost risk

Where these frost dates come from

The frost dates for Newport, RI come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Newport Rose (station USC00375215, elevation 15 ft), 2.2 mi from Newport. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.

Frost dates near Newport

CityDistanceLast spring frostFirst fall frost
Warwick, RI 17 mi Apr 11 Oct 30
Fall River, MA 21 mi Apr 29 Oct 15
Cranston, RI 22 mi Apr 11 Oct 30
East Providence, RI 22 mi Apr 11 Oct 30
New Bedford, MA 24 mi Apr 29 Oct 15
Providence, RI 24 mi Apr 11 Oct 30
Pawtucket, RI 27 mi Apr 22 Oct 19
Central Falls, RI 29 mi Apr 22 Oct 19
Attleboro, MA 32 mi Apr 27 Oct 15
Taunton, MA 32 mi Apr 22 Oct 19

Frequently asked questions

When is the last frost in Newport?

On average, the last spring frost (32°F) in Newport is around April 7. In about 1 year in 10 it comes after April 21, and in 9 years in 10 it comes after March 28.

When is the first frost in Newport?

The first fall frost (32°F) usually arrives around November 13. There’s a 10% chance of a freeze by October 31 and a 90% chance by November 27.

Can it frost in Newport after the last frost date?

Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after April 23.

What growing zone is Newport?

Newport is in USDA Plant Hardiness Zone 7a (average annual extreme minimum temperature 0 to 5°F), based on the 2023 USDA map for ZIP code 02840. See growing zones in Rhode Island.

More: all Rhode Island frost dates · Rhode Island growing zones · frost vs. freeze