Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 31

Full Moon 99%

21:54

05:55

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

Sun - Rise: 05:34, Set: 20:57, Transit: 13:15. Moon - Rise: 21:54, Set: 05:55. Civil Dark: 21:33 - 04:57. Nautical Dark: 22:20 - 04:10. Astro Dark: 23:20 - 03:09

Total Clouds (% Sky Obscured)

35
45
62
79
29
6
25
64
41
62
58
46
44
27
1
2
0
0
0
0
0
0
0
0

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
1
10
0
13
36
25
38
34
21
43
17
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
45
55
69
21
5
5
6
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

18
19
20
19
19
20
20
19
18
17
15
13
12
12
11
10
11
10
9
9
9
10
13
15

Feels Like (°C)

14
16
16
16
16
17
17
16
15
15
14
12
11
10
11
11
11
9
9
8
8
10
12
14

Dew Point (°C)

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

Relative Humidity (%)

45
41
40
40
38
37
38
41
44
52
62
66
71
68
78
83
81
76
73
72
74
72
60
52

Pressure (mb)

1019
1018
1017
1016
1016
1015
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1019
1019
1019

Ozone (du)

357
356
357
358
358
359
359
362
363
367
372
379
390
389
388
388
389
390
394
395
398
402
405
410

Monday 1

Waning Gibbous 97%

22:47

06:48

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

Sun - Rise: 05:33, Set: 20:57, Transit: 13:16. Moon - Rise: 22:47, Set: 06:48. Civil Dark: 21:34 - 04:57. Nautical Dark: 22:21 - 04:09. Astro Dark: 23:22 - 03:08

Total Clouds (% Sky Obscured)

4
15
41
29
68
62
76
77
75
74
48
67
61
68
19
19
7
17
40
24
48
15
51
66

Low Clouds (% Sky Obscured)

4
15
35
0
0
0
0
0
0
0
0
5
5
10
0
1
0
0
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
41
29
30
35
71
77
75
74
37
30
43
57
19
18
0
3
0
2
17
2
2
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
8
38
21
20
10
51
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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
0
0
0
0
0
0
0
1
1
1
3
1
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

17
18
20
21
21
22
22
22
21
20
18
14
14
14
14
13
12
12
11
11
11
13
15
17

Feels Like (°C)

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

Dew Point (°C)

5
4
4
4
3
3
4
4
8
11
11
9
8
8
8
8
8
8
8
8
9
8
5
4

Relative Humidity (%)

46
40
36
32
29
28
30
31
43
57
66
70
67
67
67
72
79
80
83
83
83
72
52
42

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1019
1019
1019
1020
1021
1021
1022
1022
1022
1023
1023
1023
1024
1024
1025
1025
1025

Ozone (du)

412
413
408
405
405
404
404
404
405
402
402
403
397
392
389
384
381
377
373
370
368
365
362
361

Tuesday 2

Waning Gibbous 92%

23:30

07:49

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

Sun - Rise: 05:33, Set: 20:58, Transit: 13:16. Moon - Rise: 23:30, Set: 07:49. Civil Dark: 21:35 - 04:56. Nautical Dark: 22:22 - 04:08. Astro Dark: 23:23 - 03:07

Total Clouds (% Sky Obscured)

80
52
67
68
71
80
75
75
100
100
91
100
82
75
57
15
6
26
4
8
4
0
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

79
52
67
68
67
80
75
71
99
100
87
100
76
56
51
12
1
4
1
7
4
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
9
10
9
9
8
8
8
7
7
6
5
4
4
4
4
3
3
3
3
3
3
3
4

Chance of Frost

Temperature (°C)

19
21
22
22
23
24
24
24
24
22
20
17
15
15
14
13
13
12
11
11
11
12
15
17

Feels Like (°C)

15
17
18
19
19
20
20
20
21
20
18
15
14
13
12
11
12
12
11
11
11
13
16
17

Dew Point (°C)

3
2
2
3
3
4
5
5
7
9
11
10
9
8
8
7
8
7
7
7
7
7
6
6

Relative Humidity (%)

34
29
27
27
27
28
28
29
35
43
57
63
66
64
67
69
71
72
75
73
75
71
56
48

Pressure (mb)

1025
1025
1025
1024
1024
1024
1024
1023
1023
1024
1024
1025
1025
1025
1025
1026
1026
1025
1026
1026
1026
1026
1027
1026

Ozone (du)

359
357
355
354
352
351
351
350
349
348
348
347
346
346
345
345
344
344
344
343
342
340
342
348

Wednesday 3

Waning Gibbous 86%

00:05

08:54

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

Sun - Rise: 05:32, Set: 20:59, Transit: 13:16. Moon - Rise: 00:05, Set: 08:54. Civil Dark: 21:35 - 04:56. Nautical Dark: 22:23 - 04:08. Astro Dark: 23:25 - 03:06

Total Clouds (% Sky Obscured)

0
3
3
2
1
0
2
0
0
3
14
3
2
25
25
3
2
2
25
36
47
67
71
69

Low 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

Medium 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

High Clouds (% Sky Obscured)

0
2
3
1
0
0
0
0
0
0
2
1
2
20
25
3
2
2
25
36
47
62
59
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

19
20
22
23
24
24
24
23
22
21
19
16
15
13
13
13
12
12
11
11
13
14
16
18

Feels Like (°C)

19
20
21
21
23
22
22
22
21
20
19
16
15
13
11
11
12
11
11
9
11
13
14
16

Dew Point (°C)

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

Relative Humidity (%)

42
37
34
33
31
29
30
32
36
46
59
68
70
74
74
79
83
84
83
83
80
76
65
55

Pressure (mb)

1026
1026
1025
1025
1024
1024
1023
1023
1023
1022
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

349
347
346
348
349
350
350
349
350
350
349
348
350
349
347
345
345
345
342
341
340
341
341
339

Thursday 4

Waning Gibbous 79%

00:33

10:02

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 Bad
19 OK
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

Sun - Rise: 05:32, Set: 21:00, Transit: 13:16. Moon - Rise: 00:33, Set: 10:02. Civil Dark: 21:36 - 04:55. Nautical Dark: 22:25 - 04:07. Astro Dark: 23:26 - 03:05

Total Clouds (% Sky Obscured)

70
73
75
76
64
55
46
46
51
38
63
81
94
93
92
93
75
87
98
99
100
100
97
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
13
4
8
16
5
3
0
6
13
23
34
44

Medium Clouds (% Sky Obscured)

0
30
29
30
30
25
26
22
3
4
55
66
75
70
82
89
66
82
98
98
98
97
91
85

High Clouds (% Sky Obscured)

51
55
51
54
35
18
7
11
16
17
16
28
31
38
42
50
64
74
85
90
95
100
97
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
17
19
13
28
35

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

Chance of Frost

Temperature (°C)

20
22
23
24
26
26
25
25
24
23
22
20
19
18
18
18
18
17
17
17
18
18
19
19

Feels Like (°C)

19
20
21
22
23
23
22
22
22
21
22
20
19
17
17
17
17
17
17
17
17
17
17
18

Dew Point (°C)

10
11
14
14
14
12
11
12
13
14
17
16
16
16
16
16
14
14
14
14
14
14
14
14

Relative Humidity (%)

50
49
55
53
47
42
41
45
47
57
74
75
81
86
89
88
81
79
79
78
76
75
72
71

Pressure (mb)

1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1012

Ozone (du)

337
335
335
334
334
332
332
332
331
329
329
329
327
326
326
325
326
328
330
332
333
334
335
336

Friday 5

Waning Gibbous 70%

00:56

10:02

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

Sun - Rise: 05:32, Set: 21:00, Transit: 13:16. Moon - Rise: 00:56, Set: 10:02. Civil Dark: 21:37 - 04:55. Nautical Dark: 22:26 - 04:06. Astro Dark: 23:28 - 03:04

Total Clouds (% Sky Obscured)

92
95
97
100
90
80
69
51
39
27
35
41
43
45
48
48
53
60
67
78
89
100
97
96

Low Clouds (% Sky Obscured)

52
65
78
90
87
80
69
51
31
10
18
20
25
29
32
36
43
50
58
55
53
52
46
40

Medium Clouds (% Sky Obscured)

78
70
59
50
33
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0

High Clouds (% Sky Obscured)

92
92
81
45
27
12
0
0
0
0
2
4
9
27
40
48
46
33
19
30
53
82
77
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
1
3
4
6
7
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
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 (%)

43
47
44
27
30
23
8
11
11
7
10
8
0
1
1
0
0
0
0
2
3
0
1
2

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)

9
11
10
10
10
10
10
11
9
8
7
6
6
5
5
5
5
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
18
20
22
18
17
17
18
19
21
21
21
21
20
19
18
12
12
13
12
12
11
17

Dew Point (°C)

15
15
16
17
19
17
16
15
16
16
17
17
16
16
15
14
13
13
12
12
12
13
13
12

Relative Humidity (%)

72
71
76
82
89
80
73
65
70
75
81
86
92
98
98
98
100
98
98
98
93
89
83
71

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014

Ozone (du)

338
340
343
347
350
352
354
357
353
348
344
342
339
336
335
334
334
334
335
336
336
336
336
335

Saturday 6

Waning Gibbous 60%

01:17

11:10

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 05:31, Set: 21:01, Transit: 13:16. Moon - Rise: 01:17, Set: 11:10. Civil Dark: 21:38 - 04:55. Nautical Dark: 22:26 - 04:06. Astro Dark: 23:29 - 03:03

Total Clouds (% Sky Obscured)

96
91
84
80
81
81
79
79
82
87
93
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
36
36
33
33
24
20
15
8
0
1
1
1
2
3
4
16
25
32
39
39
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
6
6
17
25
36
59
80
100
99
98
97

High Clouds (% Sky Obscured)

72
67
72
60
72
81
79
79
82
81
93
97
100
100
100
100
100
100
100
86
72
58

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
3
2
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
2
4
4
11
11
8
9
5
0
3
9
16
34
45
49
42
32
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
21
22
24
24
25
25
25
24
23
22
20
19
18
18
18
18
18
17
17
17
17

Feels Like (°C)

18
18
19
21
23
25
25
25
25
26
27
21
21
21
21
20
20
19
19
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

60
51
50
49
48
50
52
54
62
72
83
86
92
98
98
98
98
98
100
100
100
98

Pressure (mb)

1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

333
332
331
330
330
328
327
325
323
321
319
321
322
323
323
322
321
323
326
329
328
328

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

Generated: 31/05/26 10:16:25. Forecast: 31/05/26 to 06/06/26. Timezone: UTC-4.00