Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Waning Gibbous 93%

19:48

08:51

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:32, Set: 17:31, Transit: 12:32. Moon - Rise: 19:48, Set: 08:51. Civil Dark: 18:02 - 07:01. Nautical Dark: 18:37 - 06:26. Astro Dark: 19:10 - 05:52

Total Clouds (% Sky Obscured)

72
71
57
71
67
68
61
40
60
56
64
70
72
65
59
37
35
53
67
56
86
92
96
100

Low Clouds (% Sky Obscured)

65
60
31
64
61
65
59
32
60
56
61
61
61
60
59
9
0
15
34
12
0
5
22
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
39
68
82
82
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
4
4
11
56
35
64
0
0

ISS Passover

Visibility (miles)

3
2
1
1
1
2
3
3
4
5
4
2
2
3
6
5
5
6
8
7
5
1
2
2

Fog (%)

3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
1
1

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
5
6
15
5
0
0
0
0
1
0
0
0
0
0
0
0
0
0
12
5
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
6
5
5
5
5
5
4
4
4
4
4
4
4
4
5
5
6
7
7
7
7
6

Chance of Frost

Temperature (°C)

-13
-14
-13
-13
-13
-13
-14
-14
-15
-16
-17
-18
-17
-17
-15
-13
-11
-10
-9
-8
-8
-8
-9
-11

Feels Like (°C)

-17
-18
-18
-17
-17
-18
-18
-18
-18
-19
-19
-21
-21
-21
-19
-16
-15
-14
-13
-12
-12
-12
-14
-16

Dew Point (°C)

-15
-15
-15
-14
-14
-15
-16
-16
-17
-18
-19
-20
-20
-20
-17
-15
-13
-12
-11
-10
-10
-10
-11
-13

Relative Humidity (%)

86
86
88
90
90
88
86
84
82
81
80
80
80
80
82
86
86
87
85
85
85
88
90
88

Pressure (mb)

1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1026
1027
1027
1027
1028
1028
1028
1028
1027
1026
1026
1026
1026
1027

Ozone (du)

393
393
395
398
396
395
398
400
405
409
404
404
408
408
406
400
396
401
398
389
388
389
389
406

Wednesday 4

Waning Gibbous 87%

20:59

09:08

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:31, Set: 17:32, Transit: 12:32. Moon - Rise: 20:59, Set: 09:08. Civil Dark: 18:03 - 07:00. Nautical Dark: 18:38 - 06:25. Astro Dark: 19:11 - 05:51

Total Clouds (% Sky Obscured)

80
48
55
58
77
79
83
96
98
96
98
98
100
100
100
100
100
100
100
100
100
99
98
98

Low Clouds (% Sky Obscured)

0
13
48
44
62
65
74
94
94
87
95
93
95
92
77
78
80
86
83
93
79
90
88
85

Medium Clouds (% Sky Obscured)

75
35
2
2
2
0
0
0
23
29
36
74
85
96
79
99
98
100
100
100
96
93
92
91

High Clouds (% Sky Obscured)

0
0
0
0
4
4
4
4
16
53
31
97
100
96
96
76
98
100
100
100
96
70
70
70

ISS Passover

Visibility (miles)

3
3
3
3
2
2
1
1
1
1
1
1
2
2
2
3
4
4
4
4
3
3
1
0

Fog (%)

0
0
1
1
1
1
0
0
0
12
59
85
91
94
94
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
0
0
2
1
0
0
3
3
12
6
3
6
5
4
8
7
3
4
17
5
17
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
3
3
3
3
2
2
2
1
2
2
3
2
2
3
3
4
4
5
5
5
5
6

Chance of Frost

Temperature (°C)

-12
-13
-14
-15
-16
-16
-16
-16
-16
-16
-16
-16
-16
-16
-14
-12
-11
-9
-8
-7
-7
-7
-7
-8

Feels Like (°C)

-17
-17
-18
-18
-19
-20
-20
-20
-20
-20
-20
-20
-19
-20
-18
-16
-14
-13
-12
-11
-11
-11
-11
-12

Dew Point (°C)

-14
-15
-17
-18
-18
-19
-19
-19
-18
-19
-19
-19
-18
-19
-16
-14
-12
-11
-10
-9
-9
-9
-8
-9

Relative Humidity (%)

86
84
82
81
81
80
80
80
80
80
79
79
80
81
86
88
86
87
85
85
83
85
90
92

Pressure (mb)

1027
1027
1027
1026
1026
1026
1026
1025
1025
1024
1025
1024
1024
1024
1023
1022
1022
1021
1019
1018
1017
1016
1016
1016

Ozone (du)

424
432
418
417
417
406
395
399
397
403
401
390
386
394
390
390
392
392
396
402
408
409
404
399

Thursday 5

Waning Gibbous 79%

22:08

09:25

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:30, Set: 17:34, Transit: 12:32. Moon - Rise: 22:08, Set: 09:25. Civil Dark: 18:04 - 06:59. Nautical Dark: 18:39 - 06:24. Astro Dark: 19:12 - 05:50

Total Clouds (% Sky Obscured)

94
86
83
77
98
99
98
100
100
100
100
100
99
99
98
98
96
98
97
97
97
96
95
94

Low Clouds (% Sky Obscured)

73
36
67
67
82
84
87
91
92
95
97
96
93
91
89
91
90
89
90
91
91
92
93
93

Medium Clouds (% Sky Obscured)

38
35
43
39
34
33
40
40
36
35
80
100
98
96
92
89
92
95
89
95
94
92
89
83

High Clouds (% Sky Obscured)

60
6
4
6
0
17
50
55
80
100
100
10
10
10
33
25
24
33
40
2
3
2
2
0

ISS Passover

Visibility (miles)

1
2
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

3
4
1
14
22
33
33
44
53
68
79
88
93
80
71
58
46
40
37
40
46
53
56
54

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.2
0.2
0.4
0.5
0.6
0.7
0.5
0.4
0.3
0.1
0
0
0.1
0.1
0.2
0.2
0.2

Wind Speed/Direction (mph)

6
6
6
6
6
6
7
7
7
8
8
8
7
7
7
6
6
5
4
4
4
4
4
7

Chance of Frost

Temperature (°C)

-8
-9
-10
-10
-10
-10
-10
-10
-10
-10
-9
-9
-9
-8
-8
-7
-6
-5
-5
-4
-4
-3
-4
-4

Feels Like (°C)

-12
-13
-14
-14
-14
-14
-15
-15
-15
-14
-14
-14
-14
-13
-12
-11
-10
-9
-8
-7
-7
-6
-7
-8

Dew Point (°C)

-9
-10
-11
-11
-12
-11
-11
-12
-11
-11
-11
-10
-10
-9
-8
-8
-7
-6
-6
-5
-5
-4
-4
-5

Relative Humidity (%)

92
90
90
90
90
90
90
88
90
92
90
92
90
92
94
92
92
92
90
90
92
94
96
98

Pressure (mb)

1015
1014
1013
1013
1012
1011
1010
1009
1007
1006
1005
1004
1003
1003
1002
1001
1001
1000
1000
999
999
999
1000
1001

Ozone (du)

400
404
401
398
401
400
391
389
389
391
393
395
399
401
399
401
401
395
384
385
383
387
391
400

Friday 6

Waning Gibbous 70%

23:15

09:44

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:28, Set: 17:35, Transit: 12:32. Moon - Rise: 23:15, Set: 09:44. Civil Dark: 18:06 - 06:58. Nautical Dark: 18:40 - 06:23. Astro Dark: 19:13 - 05:49

Total Clouds (% Sky Obscured)

95
95
96
86
87
83
83
82
82
80
79
76
73
65
77
84
82
85
85
83
83
75
67
54

Low Clouds (% Sky Obscured)

94
94
94
84
87
83
82
81
78
76
77
75
73
65
77
82
81
79
76
74
73
58
48
36

Medium Clouds (% Sky Obscured)

86
85
40
27
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
7
9
9
9
9
9
9
9
9
9
9
9
8
8
9
9
9
9
6
4
3
5

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

51
43
25
22
17
9
8
7
5
5
5
5
5
4
2
3
4
4
3
2
1
10
3
0

Precipitation Amount (mm)

0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
15
14
14
14
14
13
13
12
11
10
10
10
12
11
11
12
12
11
11
10
9

Chance of Frost

Temperature (°C)

-6
-8
-11
-14
-16
-18
-19
-20
-20
-21
-21
-21
-21
-22
-21
-21
-20
-19
-18
-18
-17
-17
-17
-18

Feels Like (°C)

-12
-16
-18
-21
-23
-25
-25
-26
-27
-27
-27
-27
-27
-27
-26
-26
-26
-25
-24
-24
-23
-22
-23
-23

Dew Point (°C)

-7
-10
-15
-18
-20
-22
-23
-24
-24
-25
-25
-25
-25
-25
-25
-25
-24
-23
-22
-22
-21
-20
-20
-21

Relative Humidity (%)

87
85
76
71
69
68
69
68
66
66
67
67
69
69
71
68
69
69
69
69
71
75
76
76

Pressure (mb)

1003
1006
1008
1010
1011
1013
1015
1016
1017
1018
1020
1021
1022
1023
1024
1025
1025
1026
1025
1025
1025
1026
1027
1027

Ozone (du)

409
414
420
424
426
427
429
431
435
438
440
442
445
449
453
455
453
448
448
448
445
438
439
433

Saturday 7

Waning Gibbous 61%

00:23

10:05

19 Bad
20 OK
21 Bad
22 OK
23 OK
00 OK
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:27, Set: 17:37, Transit: 12:32. Moon - Rise: 00:23, Set: 10:05. Civil Dark: 18:07 - 06:56. Nautical Dark: 18:42 - 06:22. Astro Dark: 19:15 - 05:48

Total Clouds (% Sky Obscured)

48
13
23
11
10
13
26
39
77
88
94
100
98
97
96
95
94
93
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

25
7
12
6
3
2
2
3
11
9
3
4
10
16
24
45
65
84
88
88
89
89
89
89

Medium Clouds (% Sky Obscured)

0
0
0
3
6
8
21
31
44
47
49
55
62
72
84
87
88
89
83
79
78
76
79
80

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
13
20
20
20
25
25
20
5
5
5
37
68
100
67
33
0

ISS Passover

Visibility (miles)

8
9
4
7
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
1
1
1
1
1

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
3
2
12
16
20
20
19
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
5
5
5
4
4
3
3
3
2
2
2
1
1
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

-18
-20
-21
-21
-21
-23
-23
-23
-23
-22
-22
-22
-22
-20
-19
-19
-17
-16
-15
-14
-13
-12
-12
-12

Feels Like (°C)

-23
-24
-23
-24
-24
-25
-25
-25
-25
-26
-26
-26
-26
-27
-28
-29
-29
-28
-27
-18
-17
-17
-16
-14

Dew Point (°C)

-21
-22
-24
-24
-24
-26
-26
-26
-26
-25
-25
-25
-25
-24
-23
-22
-21
-19
-18
-17
-16
-15
-14
-14

Relative Humidity (%)

78
79
75
75
74
73
72
72
72
73
72
73
74
73
74
74
75
76
77
78
79
79
83
86

Pressure (mb)

1028
1029
1029
1029
1029
1030
1030
1030
1031
1030
1030
1030
1030
1030
1029
1029
1028
1027
1026
1025
1024
1023
1023
1023

Ozone (du)

430
426
422
417
414
412
410
407
406
408
406
404
403
404
406
407
405
403
401
404
407
410
418
425

Sunday 8

Waning Gibbous 51%

01:30

10:30

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:25, Set: 17:38, Transit: 12:32. Moon - Rise: 01:30, Set: 10:30. Civil Dark: 18:08 - 06:55. Nautical Dark: 18:43 - 06:20. Astro Dark: 19:16 - 05:46

Total Clouds (% Sky Obscured)

98
97
96
93
90
86
83
81
83
77
73
63
64
65
67
54
38
22
30
37
44
51
62
72

Low Clouds (% Sky Obscured)

89
91
89
88
86
84
76
67
58
46
37
30
33
33
32
22
13
2
5
7
8
23
42
64

Medium Clouds (% Sky Obscured)

72
64
57
42
35
33
31
32
37
35
40
50
47
42
35
30
27
22
29
34
41
50
57
62

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
1
5
6
8
14
19
27

ISS Passover

Visibility (miles)

0
1
1
1
1
1
0
3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
20
20
22
23
24
20
16
7
8
6
0
0
0
0
0
0
0
0
0
0
6
9
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
3
3
3
4
4
4
4
4
4
4
4
4
5
4
4
4
3
3
4
3
3

Chance of Frost

Temperature (°C)

-13
-13
-14
-14
-15
-15
-16
-16
-17
-17
-17
-18
-19
-18
-16
-15
-14
-12
-11
-10
-9
-8
-10
-12

Feels Like (°C)

-13
-17
-16
-16
-16
-15
-15
-19
-19
-19
-18
-18
-18
-22
-23
-23
-23
-22
-21
-13
-12
-12
-10
-7

Dew Point (°C)

-14
-15
-15
-16
-17
-17
-18
-19
-19
-20
-20
-21
-22
-21
-20
-19
-18
-17
-15
-14
-13
-12
-13
-15

Relative Humidity (%)

88
88
86
86
84
82
81
81
80
79
78
78
77
74
73
71
71
70
70
71
72
75
77
79

Pressure (mb)

1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1023
1023

Ozone (du)

432
436
439
443
443
443
443
440
437
434
431
428
425
423
420
418
413
409
405
401
396
391
386
380

Monday 9

Third Quarter 41%

02:36

11:02

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:24, Set: 17:39, Transit: 12:32. Moon - Rise: 02:36, Set: 11:02. Civil Dark: 18:10 - 06:54. Nautical Dark: 18:44 - 06:19. Astro Dark: 19:17 - 05:45

Total Clouds (% Sky Obscured)

74
79
85
81
85
86
88
89
90
93
97
97
97
98
97
93
91
89

Low Clouds (% Sky Obscured)

53
45
38
41
42
41
46
46
45
45
46
47
59
72
82
75
68
61

Medium Clouds (% Sky Obscured)

54
49
47
47
53
55
55
55
55
55
55
60
85
85
80
68
58
48

High Clouds (% Sky Obscured)

42
70
84
81
80
65
60
50
50
35
20
20
20
20
25
5
5
10

ISS Passover

Visibility (miles)

5
6
8
9
9
9
9
9
9
9
8
7
5
4
2
0
3
5

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
11
9
7
4
0
2
5
10
11
10
4
19
25
28
27
22
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
1
1
2
2
2
3
3
3
3
3
3
4
4
4
5
6

Chance of Frost

Temperature (°C)

-13
-14
-15
-16
-15
-15
-14
-14
-13
-13
-13
-12
-12
-11
-10
-9
-8
-6

Feels Like (°C)

-6
-18
-18
-19
-20
-21
-23
-18
-18
-19
-19
-18
-19
-16
-15
-16
-15
-15

Dew Point (°C)

-16
-17
-17
-18
-18
-17
-16
-16
-15
-15
-15
-15
-14
-13
-11
-10
-9
-8

Relative Humidity (%)

81
81
81
81
81
82
83
83
83
81
83
83
85
86
88
90
88
89

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1024
1024
1024
1023
1023
1023
1023
1022

Ozone (du)

375
369
364
359
355
351
347
343
339
335
334
332
330
329
328
328
326
324

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 03/02/26 19:04:54. Forecast: 03/02/26 to 09/02/26. Timezone: UTC-5.00