Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 6

Waning Gibbous 95%

17:23

10:07

15 OK
16 Bad
17 Bad
18 Bad
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

Sun - Rise: 07:06, Set: 16:58, Transit: 12:01. Moon - Rise: 17:23, Set: 10:07. Civil Dark: 17:29 - 06:35. Nautical Dark: 18:04 - 06:00. Astro Dark: 18:38 - 05:25

Total Clouds (% Sky Obscured)

32
50
100
94
96
96
97
86
92
100
100
100
100
100
81
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
38
100
86
91
63
84
40
11
0
37
0
0
0
0
28
8
0
0
100
100
100
100
100

Medium Clouds (% Sky Obscured)

13
15
32
41
33
41
30
71
83
100
100
96
100
74
59
93
100
100
100
100
100
67
90
82

High Clouds (% Sky Obscured)

7
50
68
4
6
53
90
29
85
100
100
100
100
100
81
85
86
100
100
100
100
29
3
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
4
5
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
34

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
1
4
13
10
8
6
3
5
5
3
3
0
0
11
5
43
95
95
95
91
46
34
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.8
1.3
2.2
0.5
0
0
0

Wind Speed/Direction (mph)

10
8
3
2
3
4
5
5
5
5
6
6
8
10
11
12
12
13
12
13
12
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-1
-1
-1
-1
0
0
0
-1
-1
-1
-1
-1
-1
0
0
0
3
4
4
4
4
5

Relative Humidity (%)

61
68
80
79
79
82
83
83
88
81
79
80
80
76
74
79
77
75
86
90
93
91
91
91

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015
1014
1012
1011
1009
1007
1005
1004
1002
1000
999
997
996
995

Ozone (du)

309
309
309
309
307
307
308
308
307
307
309
310
310
312
313
312
313
314
315
317
321
326
322
322

Friday 7

Waning Gibbous 89%

18:16

11:18

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

Sun - Rise: 07:07, Set: 16:57, Transit: 12:01. Moon - Rise: 18:16, Set: 11:18. Civil Dark: 17:28 - 06:36. Nautical Dark: 18:03 - 06:01. Astro Dark: 18:37 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
98
100
98
93
100
98
68
45
45
42
39
32
30
31
62
72
79
70

Low Clouds (% Sky Obscured)

100
100
100
91
84
97
79
96
93
88
100
98
68
45
45
42
39
32
30
31
53
52
48
45

Medium Clouds (% Sky Obscured)

46
38
50
55
57
50
61
64
82
68
13
0
0
0
0
0
0
0
0
2
0
0
1
3

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
54
11

ISS Passover

Visibility (miles)

9
9
8
7
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

12
0
0
0
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
50
58
69
65
51
47
44
60
39
14
17
5
2
1
1
0
0
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.2
0.4
0.3
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
8
8
9
9
8
8
8
7
6
4
3
1
1
0
-0
-0
0
1
1
2
3
3

Feels Like (°C)

4
4
4
5
5
5
5
4
3
2
1
-0
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
95
93
93
90
87
79
77
88
86
80
84
88
89
87
81
74
67
64
60
57
55

Pressure (mb)

995
994
994
995
995
995
996
997
998
999
1000
1002
1004
1005
1007
1008
1009
1011
1011
1012
1012
1012
1012
1012

Ozone (du)

325
325
325
321
322
324
323
320
323
324
326
325
325
324
323
324
325
322
322
322
321
319
320
320

Saturday 8

Waning Gibbous 80%

19:22

12:12

15 Bad
16 Bad
17 Bad
18 Bad
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

Sun - Rise: 07:08, Set: 16:56, Transit: 12:01. Moon - Rise: 19:22, Set: 12:12. Civil Dark: 17:27 - 06:37. Nautical Dark: 18:02 - 06:02. Astro Dark: 18:36 - 05:28

Total Clouds (% Sky Obscured)

81
86
79
98
100
98
93
90
94
91
99
100
100
93
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
27
2
1
2
2
8
19
29
60
90
100
86
87
88
95
96
98
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

32
55
60
60
85
88
93
90
94
75
82
100
100
89
100
100
100
100
100
100
100
100
86
100

High Clouds (% Sky Obscured)

70
80
75
97
100
86
17
2
15
9
83
100
27
49
100
100
100
100
100
83
57
14
25
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
4
0
0
0
0
0
0
2
8
43
72
91
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.9
0.9
0.7
1.5
2.3
1.6
0.7
0.6

Wind Speed/Direction (mph)

5
4
3
3
3
2
3
2
3
3
3
3
3
3
4
4
5
7
8
9
9
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-4
-4
-4
-4
-3
-3
-4
-3
-3
-3
-3
-3
-3
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2

Relative Humidity (%)

55
61
69
71
73
75
77
74
77
77
78
80
78
78
89
96
96
96
94
91
94
94
94
92

Pressure (mb)

1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1014
1015
1014
1013
1013
1013
1012
1012
1011
1011
1010
1009
1008
1008

Ozone (du)

320
320
318
316
319
319
323
326
329
328
329
329
330
331
334
338
341
342
342
341
338
335
334
333

Sunday 9

Waning Gibbous 69%

20:37

12:53

15 Bad
16 Bad
17 Bad
18 Bad
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

Sun - Rise: 07:10, Set: 16:54, Transit: 12:02. Moon - Rise: 20:37, Set: 12:53. Civil Dark: 17:26 - 06:39. Nautical Dark: 18:01 - 06:03. Astro Dark: 18:35 - 05:29

Total Clouds (% Sky Obscured)

100
100
99
99
98
96
94
95
95
84
79
94
96
96
97
98
98
98
99
98
98
97
97
98

Low Clouds (% Sky Obscured)

100
100
99
98
97
93
89
91
92
84
79
87
87
86
85
83
85
87
89
87
86
85
84
84

Medium Clouds (% Sky Obscured)

100
98
89
78
87
84
79
49
48
47
46
48
48
51
52
57
58
63
63
83
86
86
88
91

High Clouds (% Sky Obscured)

90
63
32
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
0
0
0
0
0
1
5
9
9
9
8
6
4
3
1
3
9
9
9
9
9
9

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

Precipitation Probability (%)

95
95
95
95
87
72
49
42
33
19
17
14
10
11
10
15
12
16
13
19
24
26
26
26

Precipitation Amount (mm)

0.5
0.6
0.6
0.7
0.6
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
9
8
8
8
8
8
8
8
7
7
7
7
7
8
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

-1
-1
-2
-2
-2
-2
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-3
-3
-2
-2

Feels Like (°C)

-5
-5
-6
-6
-6
-7
-6
-7
-7
-7
-7
-6
-8
-8
-9
-9
-8
-9
-8
-8
-8
-8
-7
-7

Dew Point (°C)

-2
-2
-2
-3
-3
-3
-3
-4
-4
-4
-5
-5
-5
-5
-5
-6
-6
-6
-7
-8
-8
-9
-10
-10

Relative Humidity (%)

96
96
96
94
94
94
94
92
92
91
91
94
94
92
92
90
90
87
81
70
67
62
57
56

Pressure (mb)

1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1011
1011

Ozone (du)

331
330
329
327
327
328
331
332
333
332
335
341
347
351
351
352
357
365
371
375
381
385
388
387

Monday 10

Waning Gibbous 58%

21:55

13:23

15 Bad
16 Bad
17 Bad
18 Bad
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

Sun - Rise: 07:11, Set: 16:53, Transit: 12:02. Moon - Rise: 21:55, Set: 13:23. Civil Dark: 17:25 - 06:40. Nautical Dark: 18:00 - 06:04. Astro Dark: 18:34 - 05:30

Total Clouds (% Sky Obscured)

98
97
97
96
96
97
97
94
97
98
93
92
91
93
94
95
95
95
95
93
92
90
88
87

Low Clouds (% Sky Obscured)

80
61
60
61
90
89
88
82
77
80
79
79
79
81
84
87
88
88
88
89
88
87
81
76

Medium Clouds (% Sky Obscured)

94
92
90
88
89
91
92
61
95
95
77
70
65
56
46
37
35
31
27
23
17
14
24
34

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
7
25
46

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
3
0
1
2
4
6
7
9
6
4
1
4

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
Snow
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
28
29
34
35
32
33
33
30
28
26
30
35
39
38
35
31
27
25
29
34
36
32
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
5
5
5
7
6
6
6
6
6
5
5
5
6
6
7
8
8
8
8
8
9
10

Chance of Frost

Temperature (°C)

-2
-2
-3
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-4
-3
-3
-3
-2
-2
-1
-1

Feels Like (°C)

-7
-7
-7
-7
-7
-8
-7
-7
-7
-7
-6
-6
-6
-6
-7
-9
-10
-7
-8
-9
-8
-7
-7
-5

Dew Point (°C)

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

Relative Humidity (%)

58
63
73
79
82
76
82
84
87
86
87
89
92
96
92
91
89
84
81
76
79
84
89
84

Pressure (mb)

1011
1011
1011
1012
1011
1011
1011
1010
1010
1010
1009
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008

Ozone (du)

388
387
387
387
388
388
390
393
392
390
389
384
379
373
373
372
371
370
369
367
361
356
350
344

Tuesday 11

Waning Gibbous 47%

23:10

13:46

15 Bad
16 Bad
17 Bad
18 Bad
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

Sun - Rise: 07:13, Set: 16:52, Transit: 12:02. Moon - Rise: 23:10, Set: 13:46. Civil Dark: 17:24 - 06:41. Nautical Dark: 17:59 - 06:06. Astro Dark: 18:33 - 05:31

Total Clouds (% Sky Obscured)

83
85
92
100
100
100
100
98
97
94
95
96
97
98
99
100
100
100
100
99
98
97
98
99

Low Clouds (% Sky Obscured)

72
76
78
81
78
84
88
89
90
91
82
71
59
71
84
100
100
100
100
96
93
88
91
92

Medium Clouds (% Sky Obscured)

40
60
78
100
98
95
92
82
72
62
73
84
94
93
92
90
93
96
99
91
82
77
80
72

High Clouds (% Sky Obscured)

65
73
85
100
98
97
97
94
87
81
87
88
88
72
49
30
57
81
100
74
44
16
19
22

ISS Passover

Visibility (miles)

6
9
7
4
1
1
0
0
2
4
7
4
2
0
3
6
9
6
3
0
3
6
8
8

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
Snow
Snow
Very Light Rain
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

19
13
13
13
27
38
50
52
54
60
54
53
55
46
35
24
34
42
50
54
57
59
63
68

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.2
0.2
0.3
0.2
0.2
0.2
0.1
0
0
0
0
0
0
0.2
0.3
0.4
0.5

Wind Speed/Direction (mph)

10
11
9
8
7
7
6
6
7
9
10
9
9
9
9
10
11
11
11
11
11
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-4
-5
-4
-4
-5
-5
-5
-3
-3
-4
-4
-5
-5
-3
-3
-3
-3
-3
-2
-0

Dew Point (°C)

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

Relative Humidity (%)

81
77
83
87
94
94
96
98
92
88
83
88
93
98
94
93
91
93
94
98
96
93
91
93

Pressure (mb)

1008
1008
1007
1007
1007
1007
1007
1006
1005
1005
1004
1003
1003
1002
1001
1001
1000
1000
1000
1000
1000
999
999
1000

Ozone (du)

339
334
328
323
317
315
313
311
312
313
314
314
315
315
317
319
321
320
319
318
317
316
315
315

Wednesday 12

Third Quarter 37%

00:22

14:05

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:14, Set: 16:51, Transit: 12:02. Moon - Rise: 00:22, Set: 14:05. Civil Dark: 17:23 - 06:42. Nautical Dark: 17:58 - 06:07. Astro Dark: 18:33 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
97
97
97
96
96
95
94

Low Clouds (% Sky Obscured)

93
80
67
51
53
55
58
67
76
84
87
85
83
84
81
79

Medium Clouds (% Sky Obscured)

65
75
84
93
90
85
82
65
46
28
28
29
36
37
39
45

High Clouds (% Sky Obscured)

25
49
72
80
30
5
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
7
7
8
8
8
8
7
7
8
8
8
9
9
9
9

Fog (%)

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

Precipitation Type

Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

71
68
64
59
56
53
48
48
47
45
45
44
41
43
45
48

Precipitation Amount (mm)

0.6
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
11
10
9
8
7
7
7
8
8
8
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-0
-1
-1
-0
-0
-0
-0
-0
-1
-0
-2
-1
-1
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
93
93
91
89
88
89
89
89
88
88
86
86
86

Pressure (mb)

1000
1000
1001
1002
1002
1003
1003
1004
1004
1004
1005
1005
1006
1006
1007
1007

Ozone (du)

314
314
316
318
320
316
311
307
304
302
299
301
302
304
303
302

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

Generated: 06/11/25 14:06:21. Forecast: 06/11/25 to 12/11/25. Timezone: UTC-5.00