Slidell Weather in 2018

Historical record of Slidell, Louisiana weather for the year 2018 based on NOAA data.

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2018 Slidell Weather Extremes
Highest temperature	95 °F	July 1
Lowest temperature	17 °F	January 17
Highest daily low	81 °F	July 22
Lowest daily high	35 °F	January 18
Most daily precipitation	5.1 inches	October 16
Total annual precipitation	63.7 inches	-

What was the hottest temperature in Slidell in 2018?

The highest temperature recorded in Slidell, Louisiana in 2018 was 95 °F which happened 3 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Slidell in 2018

Rank	Temperature	Date
1	95 °F	Jul 1
1	95 °F	Jun 30
1	95 °F	Jun 26
4	94 °F	Sep 19
4	94 °F	Sep 18
4	94 °F	Jul 24
4	94 °F	Jul 23
4	94 °F	Jun 29
4	94 °F	Jun 28
4	94 °F	Jun 27

What was the coldest temperature in Slidell in 2018?

The lowest temperature recorded in Slidell, Louisiana in 2018 was 17 °F which happened on Jan 17.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Slidell in 2018

Rank	Temperature	Date
1	17 °F	January 17
2	18 °F	January 18
3	21 °F	January 2
4	22 °F	January 19
5	23 °F	January 3
6	24 °F	January 4
7	25 °F	January 1
8	27 °F	January 14
9	28 °F	January 6
9	28 °F	January 5

January 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	64	25	0.01
January 2	35	21	0.00
January 3	39	23	0.00
January 4	44	24	0.00
January 5	47	28	0.00
January 6	48	28	0.00
January 7	58	34	0.00
January 8	61	46	1.66
January 9	61	54	0.09
January 10	59	54	0.00
January 11	72	59	0.00
January 12	75	46	0.26
January 13	46	32	0.00
January 14	44	27	0.00
January 15	49	29	0.00
January 16	59	34	0.00
January 17	45	17	0.12
January 18	35	18	0.00
January 19	45	22	0.00
January 20	56	31	0.00
January 21	67	50	0.00
January 22	71	58	0.00
January 23	72	39	0.00
January 24	65	38	0.00
January 25	56	33	0.00
January 26	63	39	0.00
January 27	68	50	0.50
January 28	65	58	2.18
January 29	65	47	0.01
January 30	65	34	0.00
January 31	56	34	0.00

February 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	64	42	0.00
February 2	73	47	0.01
February 3	56	39	0.01
February 4	63	40	0.18
February 5	72	46	0.00
February 6	63	48	0.01
February 7	67	61	0.15
February 8	75	43	0.35
February 9	66	51	0.01
February 10	73	55	0.33
February 11	73	64	0.55
February 12	75	45	0.74
February 13	51	45	0.01
February 14	73	51	0.00
February 15	74	64	0.00
February 16	80	65	0.01
February 17	80	62	0.00
February 18	80	62	0.00
February 19	77	61	0.00
February 20	81	67	0.04
February 21	80	70	0.00
February 22	82	69	0.00
February 23	82	66	0.00
February 24	79	68	0.32
February 25	81	68	0.01
February 26	81	60	0.70
February 27	75	59	0.00
February 28	74	60	0.00

March 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	82	70	0.00
March 2	83	55	0.00
March 3	72	48	0.00
March 4	71	45	0.00
March 5	71	52	0.00
March 6	76	54	0.98
March 7	68	47	0.36
March 8	68	37	0.00
March 9	63	38	0.00
March 10	65	51	0.00
March 11	74	60	0.00
March 12	75	46	1.05
March 13	62	42	0.00
March 14	64	36	0.00
March 15	64	38	0.00
March 16	68	41	0.00
March 17	66	61	0.41
March 18	79	62	0.30
March 19	77	65	0.12
March 20	82	58	0.00
March 21	67	43	0.00
March 22	68	44	0.00
March 23	67	47	0.00
March 24	71	51	0.00
March 25	78	61	0.00
March 26	82	63	0.00
March 27	77	66	0.00
March 28	77	68	0.00
March 29	78	71	0.00
March 30	76	57	1.00
March 31	73	50	0.00

April 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	69	49	0.00
April 2	74	54	0.00
April 3	80	63	0.00
April 4	81	59	0.61
April 5	70	48	0.00
April 6	68	51	0.00
April 7	75	60	1.25
April 8	67	44	0.50
April 9	56	45	0.02
April 10	73	56	0.00
April 11	75	46	0.00
April 12	73	50	0.00
April 13	75	57	0.00
April 14	79	68	0.00
April 15	74	47	4.62
April 16	61	42	0.00
April 17	71	48	0.00
April 18	76	58	0.00
April 19	80	65	0.00
April 20	77	48	0.00
April 21	68	48	0.00
April 22	75	62	0.30
April 23	78	51	0.18
April 24	71	53	0.00
April 25	79	53	0.00
April 26	81	60	0.02
April 27	73	52	0.02
April 28	74	52	0.00
April 29	78	57	0.00
April 30	82	59	0.00

May 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	n/a	n/a	n/a
May 2	80	64	0.00
May 3	82	64	0.00
May 4	81	63	0.00
May 5	83	66	0.00
May 6	80	60	0.02
May 7	85	59	0.00
May 8	88	61	0.00
May 9	89	65	0.00
May 10	88	63	0.00
May 11	86	65	0.00
May 12	87	65	0.00
May 13	86	65	0.00
May 14	90	69	0.00
May 15	93	69	0.00
May 16	92	69	0.05
May 17	93	69	0.00
May 18	91	70	0.00
May 19	90	67	0.15
May 20	89	71	0.00
May 21	89	70	0.00
May 22	86	71	0.00
May 23	89	70	0.03
May 24	87	69	0.84
May 25	89	70	0.00
May 26	84	70	0.90
May 27	85	69	0.27
May 28	87	71	0.00
May 29	89	70	0.00
May 30	90	78	0.00
May 31	90	78	0.00

June 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	90	77	0.00
June 2	90	79	0.00
June 3	93	77	0.00
June 4	91	77	0.00
June 5	89	77	0.00
June 6	85	69	0.41
June 7	88	68	0.00
June 8	90	71	0.00
June 9	91	71	0.00
June 10	91	74	0.01
June 11	89	73	0.00
June 12	88	75	0.00
June 13	91	72	0.00
June 14	91	72	0.00
June 15	88	72	0.00
June 16	89	72	0.05
June 17	88	77	0.02
June 18	91	79	0.00
June 19	86	75	0.32
June 20	91	74	0.00
June 21	89	78	0.00
June 22	91	80	0.00
June 23	92	79	0.00
June 24	93	79	0.00
June 25	93	76	0.00
June 26	95	75	0.00
June 27	94	75	0.00
June 28	94	81	0.00
June 29	94	79	0.00
June 30	95	75	0.00

July 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	95	72	1.60
July 2	92	72	0.35
July 3	92	73	0.66
July 4	n/a	n/a	n/a
July 5	90	74	0.00
July 6	88	73	0.02
July 7	88	73	0.00
July 8	87	72	1.25
July 9	86	73	0.00
July 10	89	73	0.00
July 11	89	75	0.05
July 12	90	72	0.00
July 13	91	75	0.00
July 14	92	78	0.00
July 15	91	77	0.00
July 16	92	75	0.00
July 17	91	75	0.24
July 18	89	76	0.27
July 19	87	74	0.14
July 20	90	73	0.77
July 21	92	79	0.00
July 22	92	81	0.00
July 23	94	77	0.00
July 24	94	75	0.00
July 25	91	72	0.00
July 26	91	74	0.00
July 27	92	74	0.00
July 28	93	74	0.00
July 29	93	72	0.12
July 30	90	73	0.08
July 31	91	76	0.00

August 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	90	72	0.46
August 2	87	72	0.00
August 3	89	72	0.00
August 4	85	74	0.03
August 5	83	73	0.22
August 6	89	74	0.00
August 7	91	75	0.00
August 8	92	72	0.00
August 9	92	75	0.00
August 10	90	79	0.00
August 11	89	71	0.08
August 12	90	71	0.30
August 13	92	72	0.00
August 14	93	74	0.00
August 15	93	75	0.00
August 16	91	74	1.98
August 17	88	75	0.03
August 18	88	76	0.11
August 19	85	76	0.20
August 20	87	75	0.08
August 21	89	75	0.06
August 22	92	73	0.66
August 23	90	71	0.00
August 24	87	71	0.00
August 25	89	71	0.00
August 26	90	75	0.00
August 27	90	74	0.00
August 28	90	76	0.03
August 29	88	74	0.79
August 30	89	73	0.02
August 31	86	73	0.37

September 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	79	73	0.45
September 2	84	75	0.45
September 3	85	74	0.20
September 4	86	72	0.05
September 5	87	71	0.43
September 6	87	73	0.00
September 7	86	73	0.04
September 8	87	72	1.03
September 9	88	73	0.00
September 10	89	74	0.25
September 11	88	72	1.25
September 12	87	71	0.02
September 13	89	74	0.01
September 14	89	74	0.01
September 15	91	74	0.00
September 16	92	75	0.00
September 17	93	74	0.00
September 18	94	75	0.00
September 19	94	75	0.31
September 20	93	75	0.00
September 21	91	76	0.00
September 22	91	74	0.00
September 23	87	73	0.38
September 24	88	73	0.19
September 25	87	74	0.32
September 26	88	75	0.09
September 27	86	73	0.64
September 28	82	71	0.24
September 29	85	72	0.01
September 30	85	72	0.05

October 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	86	71	0.04
October 2	89	72	0.00
October 3	89	73	0.00
October 4	89	71	0.00
October 5	88	72	0.00
October 6	88	72	0.02
October 7	88	72	0.00
October 8	88	73	0.00
October 9	85	72	2.57
October 10	84	72	0.07
October 11	87	64	0.00
October 12	80	53	0.00
October 13	77	57	0.00
October 14	81	62	0.00
October 15	86	70	0.00
October 16	85	73	5.11
October 17	87	68	0.01
October 18	76	60	0.00
October 19	80	62	0.00
October 20	85	64	0.00
October 21	85	58	0.00
October 22	70	49	0.00
October 23	77	51	0.05
October 24	68	58	0.30
October 25	76	59	0.75
October 26	77	59	0.51
October 27	69	50	0.00
October 28	70	52	0.00
October 29	79	56	0.00
October 30	81	62	0.00
October 31	80	63	0.00

November 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	82	65	2.05
November 2	71	51	0.15
November 3	65	48	0.00
November 4	72	48	0.00
November 5	76	59	0.09
November 6	81	63	0.04
November 7	81	71	0.00
November 8	80	70	1.73
November 9	73	63	0.00
November 10	68	43	0.20
November 11	56	43	0.00
November 12	65	46	0.08
November 13	71	45	1.48
November 14	46	38	0.22
November 15	40	30	0.00
November 16	53	34	0.00
November 17	63	39	0.00
November 18	65	39	0.00
November 19	69	48	0.00
November 20	68	52	0.04
November 21	59	39	0.00
November 22	61	44	0.00
November 23	62	42	0.00
November 24	67	53	0.27
November 25	71	55	0.00
November 26	70	43	0.50
November 27	56	34	0.00
November 28	54	35	0.00
November 29	61	42	0.00
November 30	68	60	0.06

December 2018 Slidell Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	75	64	0.70
December 2	79	59	0.00
December 3	79	59	0.00
December 4	69	42	0.00
December 5	69	35	0.00
December 6	56	38	0.00
December 7	58	46	0.00
December 8	67	51	0.20
December 9	66	44	2.11
December 10	45	39	0.00
December 11	55	33	0.00
December 12	56	34	0.00
December 13	61	40	0.00
December 14	64	53	0.68
December 15	58	50	0.00
December 16	53	49	0.00
December 17	55	44	0.00
December 18	60	42	0.00
December 19	66	47	0.00
December 20	61	53	0.62
December 21	54	45	0.55
December 22	55	36	0.00
December 23	63	41	0.00
December 24	71	45	0.00
December 25	63	47	0.00
December 26	70	53	0.00
December 27	67	59	0.37
December 28	70	59	1.31
December 29	66	56	0.02
December 30	59	56	0.31
December 31	70	58	0.05

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Weather Station Details

Years	Station	Coordinates
1956–2024	Slidell	location