Region 15 – Pacific Northwest

Region 15 Forecast : Pacific Northwest | November 2015 – October 2016

SUMMARY: Winter will be cooler and rainier than normal, with above-normal snowfall. The stormiest periods will be throughout November and in early to mid- and mid- to late December, early January, and early March. The coldest periods will be in mid- and late December, late January, and mid- to late February, with the snowiest periods in mid-December, early to mid-January, and mid- to late February.

April and May will be cooler and slightly rainier than normal.

Summer will be warmer and rainier than normal, with the hottest temperatures in mid- and late July and early August.

September and October will be cooler than normal, with rainfall above normal in the north and near normal in the south.

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NOV. 2015: Temp. 47° (avg.); precip. 8.5” (2” above avg.). 1–5 Rainy, mild. 6–7 Sunny. 8–14 Misty, turning cool. 15–19 Heavy rain. 20–22 Sunny, cool. 23–30 Rain, some heavy, turning mild.

DEC. 2015: Temp. 41° (2° below); precip. 6” (0.5” below avg.). 1–5 Periods of rain, cool. 6–9 Rainy, mild. 10–11 Sunny, cool. 12–18 Rain and snow, then sunny, cold. 19–23 Snow to heavy rain, turning mild. 24–29 Flurries, cold. 30–31 Rainy, cool.

JAN. 2016: Temp. 45° (2° above avg.); precip. 8” (2” above avg.). 1–3 Rainy, mild. 4–12 Snowstorm, then rain, heavy at times, turning mild. 13–19 Occasional rain; cool, then mild. 20–25 Sprinkles, mild. 26–31 Rain and wet snow, then sunny, cold.

FEB. 2016: Temp. 43° (1° below avg.); precip. 5” (avg.). 1–8 Rainy periods, mild. 9–16 Showers, cool. 17–25 Periods of rain and snow, cold. 26–29 Rainy, cool.

MAR. 2016: Temp. 46° (1° below avg.); precip. 5” (1” above avg.). 1–8 Rain, heavy at times, cool. 9–14 Sunny, cool days; cold nights. 15–23 Rainy periods, cool. 24–29 Showers, mild. 30–31 Rainy, cool.

APR. 2016: Temp. 49° (1° below avg.); precip. 3.5” (0.5” above avg.). 1–7 Heavy rain, then sunny, warm. 8–17 Showers, cool. 18–26 Sunny, turning warm. 27–30 Rain, then sunny, warm.

MAY 2016: Temp. 54° (1° below avg.); precip. 2” (avg.). 1–4 Sunny, turning hot. 5–13 Showers, cool. 14–16 Sunny, nice. 17–25 Showers, turning cool. 26–31 Showers, cool.

JUNE 2016: Temp. 58° (2° below avg.); precip. 2” (0.5” above avg.). 1–6 Occasional rain, cool. 7–15 A few showers; cool, then warm. 16–20 Rainy periods, cool. 21–27 Sunny; cool, then warmer. 28–30 Showers, cool.

JULY 2016: Temp. 68° (3° above avg.); precip. 0.2” (0.3” below avg.). 1–6 Showers, then sunny, cool. 7–15 Sunny, turning hot. 16–25 Isolated showers, warm. 26–31 Sunny, turning hot.

AUG. 2016: Temp. 67° (1° above avg.); precip. 2” (1” above avg.). 1–4 Sunny, hot. 5–12 Showers, then sunny, nice. 13–19 T-storms, then sunny, nice. 20–31 Rainy periods, cool.

SEPT. 2016: Temp. 60° (1° below avg.); precip. 1.5” (avg.). 1–8 Showers, then sunny, cool. 9–16 Sunny, nice. 17–23 Rainy periods, cool. 24–28 Sunny, turning warm. 29–30 Showers, mild.

OCT. 2016: Temp. 51° (3° below avg.); precip. 3.5” (1” above avg. north, avg. south). 1–5 Misty, mild. 6–10 Rainy periods, turning quite cool. 11–16 Rainy periods, some heavy; cool. 17–23 Showers, chilly. 24–31 Rainy periods, cool.

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