Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 27

Waxing Gibbous 90%

17:12

03:40

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK

Sun - Rise: 05:39, Set: 20:24, Transit: 13:01. Moon - Rise: 17:12, Set: 03:40. Civil Dark: 20:56 - 05:07. Nautical Dark: 21:36 - 04:26. Astro Dark: 22:22 - 03:40

Total Clouds (% Sky Obscured)

89
91
92
100
100
100
100
100
100
100
100
100
100
99
100
100
89
100
100
100
100
70
71
25

Low Clouds (% Sky Obscured)

59
74
81
92
85
92
91
33
38
28
10
1
0
0
0
6
70
70
60
16
7
0
0
0

Medium Clouds (% Sky Obscured)

89
91
92
88
100
100
100
100
100
100
97
36
25
31
92
81
87
94
100
100
77
70
19
14

High Clouds (% Sky Obscured)

71
83
92
97
98
100
100
100
100
100
100
100
100
99
83
99
48
79
100
100
100
55
60
6

ISS Passover

Visibility (miles)

9
6
6
9
9
9
6
9
9
9
9
9
9
9
9
9
7
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

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

Precipitation Probability (%)

95
95
95
23
38
49
86
41
53
26
6
8
3
15
68
95
66
8
2
0
1
0
1
0

Precipitation Amount (mm)

0.3
0
0.2
0
0
0
0.5
0
0.5
0
0
0
0
0
0.5
1.1
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
19
21
22
22
22
22
21
19
19
20
20
20
20
19
19
19
19
19
18
18
17
16

Feels Like (°C)

20
19
20
22
23
24
23
23
22
19
20
20
21
21
21
21
20
20
20
19
18
18
16
15

Dew Point (°C)

18
18
18
20
21
21
22
22
19
17
16
15
15
17
18
18
18
18
17
17
16
16
15
14

Relative Humidity (%)

96
98
96
96
95
94
95
96
87
84
80
75
72
81
86
89
93
92
91
88
89
88
87
89

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1011
1011
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

320
320
321
323
325
326
327
328
329
330
332
332
332
333
333
333
333
334
335
337
339
342
345
347

Thursday 28

Waxing Gibbous 95%

18:15

04:07

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

Sun - Rise: 05:38, Set: 20:25, Transit: 13:02. Moon - Rise: 18:15, Set: 04:07. Civil Dark: 20:57 - 05:06. Nautical Dark: 21:37 - 04:25. Astro Dark: 22:23 - 03:39

Total Clouds (% Sky Obscured)

15
47
81
64
8
18
13
26
82
73
50
23
20
15
18
0
0
0
0
0
2
4
3
0

Low Clouds (% Sky Obscured)

0
39
74
59
8
15
11
20
82
73
50
16
11
10
12
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

12
21
13
0
0
10
0
7
3
1
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
1
2
2
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
1
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
4
5
8
10
11
12
12
14
14
13
14
14
13
11
9
7
6
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

15
15
16
18
18
20
21
22
22
22
22
22
22
21
20
18
17
15
14
12
11
11
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
87
86
80
68
60
55
52
64
67
62
65
67
68
76
73
74
78
81
83
83
84
84

Pressure (mb)

1012
1012
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

352
351
361
362
368
375
379
380
384
389
396
396
393
389
386
382
377
370
366
363
361
360
359
359

Friday 29

Waxing Gibbous 99%

19:19

04:39

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

Sun - Rise: 05:38, Set: 20:26, Transit: 13:02. Moon - Rise: 19:19, Set: 04:39. Civil Dark: 20:58 - 05:06. Nautical Dark: 21:38 - 04:25. Astro Dark: 22:24 - 03:38

Total Clouds (% Sky Obscured)

3
6
4
5
3
3
7
55
55
37
3
3
38
43
60
50
55
92
74
50
53
60
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
4
5
2
0
2
0
0
0
0
0
44
66
45
4
30
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
0
38
29
42
50
42
74
74
50
53
60
0
0

High Clouds (% Sky Obscured)

2
4
2
3
2
2
3
42
40
28
3
0
0
20
60
50
55
62
1
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
8
1
2
1
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)

3
3
3
3
6
6
7
8
9
11
11
12
11
11
9
7
7
8
13
12
11
11
11
10

Chance of Frost

Temperature (°C)

10
9
11
14
16
18
20
21
22
23
24
24
24
23
23
20
19
19
18
16
14
13
11
10

Feels Like (°C)

10
9
11
14
17
18
20
21
20
20
21
23
24
24
24
21
19
17
15
13
11
10
7
7

Dew Point (°C)

7
7
8
9
11
11
12
12
13
14
14
14
16
16
18
17
16
13
10
8
7
6
5
5

Relative Humidity (%)

82
82
80
73
68
64
60
58
56
55
55
55
60
64
72
79
78
69
62
58
60
64
63
69

Pressure (mb)

1017
1017
1017
1017
1017
1016
1015
1014
1014
1012
1011
1010
1009
1008
1008
1008
1008
1009
1010
1011
1011
1011
1012
1013

Ozone (du)

358
358
359
359
361
362
362
361
361
364
363
361
361
359
356
354
353
352
351
349
349
351
355
358

Saturday 30

Waxing Gibbous 100%

20:20

No Set

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

Sun - Rise: 05:37, Set: 20:27, Transit: 13:02. Moon - Rise: 20:20, Set: No Set. Civil Dark: 20:59 - 05:05. Nautical Dark: 21:39 - 04:24. Astro Dark: 22:26 - 03:37

Total Clouds (% Sky Obscured)

0
0
0
10
35
43
45
43
50
52
53
53
42
41
49
36
37
36
31
65
56
44
34
19

Low Clouds (% Sky Obscured)

0
0
0
8
35
42
33
14
15
24
27
12
2
1
6
2
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
7
14
19
21
20
25
27
29
35
34
37
36
31
34
24
18
11
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
20
20
30
34
19

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)

9
9
9
9
10
10
10
10
10
9
9
9
8
7
6
6
5
4
3
2
2
2
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
7
8
8
10
11
12
14
14
14
15
18
17
15
14
13
13
12
9
9
8
7

Dew Point (°C)

3
4
5
5
6
6
8
8
9
9
10
11
11
11
12
12
11
9
9
8
8
7
7
7

Relative Humidity (%)

67
70
76
71
64
61
61
60
57
56
56
59
58
61
67
74
74
74
76
79
80
81
83
82

Pressure (mb)

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

Ozone (du)

361
366
375
387
392
396
398
399
393
387
382
380
375
372
371
372
370
369
368
367
365
365
363
363

Sunday 31

Full Moon 99%

21:18

05:18

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

Sun - Rise: 05:37, Set: 20:27, Transit: 13:02. Moon - Rise: 21:18, Set: 05:18. Civil Dark: 20:59 - 05:05. Nautical Dark: 21:40 - 04:23. Astro Dark: 22:27 - 03:37

Total Clouds (% Sky Obscured)

12
21
20
50
75
100
97
94
86
79
74
82
85
87
47
37
28
23
33
57
86
88
85
83

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
3
5
3
2
0
0
0
0
0
0
0
0
0
0
16
17
13

Medium Clouds (% Sky Obscured)

3
2
2
9
10
13
49
68
82
62
46
38
37
42
44
37
28
23
33
57
85
82
79
76

High Clouds (% Sky Obscured)

12
21
20
50
75
100
94
87
76
66
55
65
58
64
23
18
11
3
9
10
11
9
6
4

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
1
1
0
0
0
0
1
2
3

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)

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

Chance of Frost

Temperature (°C)

9
10
12
13
15
17
19
19
20
21
21
21
21
20
20
18
17
15
14
13
12
12
12
12

Feels Like (°C)

7
8
10
11
13
15
16
17
19
19
19
19
19
19
19
18
17
17
16
15
15
14
11
12

Dew Point (°C)

7
7
8
8
8
9
10
10
10
10
11
11
12
13
14
14
13
11
10
10
9
8
8
7

Relative Humidity (%)

84
80
77
70
63
60
56
54
52
51
52
53
57
63
70
74
76
78
79
80
80
80
77
73

Pressure (mb)

1020
1021
1021
1022
1022
1021
1021
1020
1020
1019
1019
1018
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

363
363
362
360
359
359
361
361
362
362
362
362
362
366
366
367
367
367
367
366
364
363
363
362

Monday 1

Waning Gibbous 97%

22:11

06:03

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
19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:36, Set: 20:28, Transit: 13:02. Moon - Rise: 22:11, Set: 06:03. Civil Dark: 21:00 - 05:04. Nautical Dark: 21:41 - 04:23. Astro Dark: 22:28 - 03:36

Total Clouds (% Sky Obscured)

88
93
100
95
96
95
95
92
89
81
89
100
82
62
43
32
21
10
12
18
24
33
41
58

Low Clouds (% Sky Obscured)

4
0
0
0
5
10
23
44
54
36
23
10
0
0
0
0
0
0
0
0
0
0
5
15

Medium Clouds (% Sky Obscured)

81
83
73
41
48
58
68
75
80
81
85
91
72
58
43
32
21
10
12
18
24
33
41
58

High Clouds (% Sky Obscured)

12
21
31
44
44
40
40
39
34
50
67
84
65
45
28
32
21
10
12
18
24
33
30
30

ISS Passover

Visibility (miles)

9
9
9
9
7
5
3
3
3
3
5
7
9
9
9
9
9
9
9
7
6
4
3
3

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

Precipitation Probability (%)

22
35
43
46
45
53
60
65
74
76
69
69
50
36
27
34
33
32
54
67
85
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0.3
0.5
0.6
0.4
0.4
0
0
0
0
0
0
0
0
0.4
1.1
1.5
1.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
13
14
14
15
16
16
17
17
17
17
17
17
17
16
15
14
13
12
12
11
11
11

Feels Like (°C)

11
12
12
13
13
13
14
14
15
15
15
15
15
15
15
14
11
10
8
8
7
7
7
7

Dew Point (°C)

7
9
10
12
13
14
15
16
16
16
17
16
16
16
17
16
14
13
12
12
11
11
11
10

Relative Humidity (%)

71
76
83
90
92
93
96
96
95
95
96
95
95
96
95
96
96
96
98
96
96
96
96
96

Pressure (mb)

1018
1018
1018
1019
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

362
361
360
359
359
360
360
360
360
360
359
359
359
361
362
364
366
369
371
371
372
373
375
378

Tuesday 2

Waning Gibbous 92%

22:56

06:56

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:36, Set: 20:29, Transit: 13:02. Moon - Rise: 22:56, Set: 06:56. Civil Dark: 21:01 - 05:04. Nautical Dark: 21:42 - 04:22. Astro Dark: 22:29 - 03:35

Total Clouds (% Sky Obscured)

67
79
84
91
95
98
99
99
97
91
86
77
69
65
60
70
85
85
90
95
94

Low Clouds (% Sky Obscured)

45
70
84
85
95
95
95
95
85
45
40
35
35
5
0
5
10
10
10
15
19

Medium Clouds (% Sky Obscured)

67
79
84
91
86
75
86
92
97
76
56
36
46
47
43
39
50
50
59
57
56

High Clouds (% Sky Obscured)

30
35
15
36
61
89
60
29
0
0
0
0
0
0
5
13
42
43
36
22
4

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
90
87
77
54
15
20
19
3

Precipitation Amount (mm)

2.1
2.2
2
2.3
2.2
1.8
1.7
1.7
1.7
1.3
0.9
0.6
0.5
0.5
0.6
0.5
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
12
12
13
14
16
15
16
16
16
16
16
16
16
15
15
15
15
14
14

Feels Like (°C)

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

Dew Point (°C)

10
11
11
11
13
14
15
15
15
15
15
15
15
15
15
15
15
14
14
13
13

Relative Humidity (%)

96
96
95
96
96
96
96
96
95
96
96
96
96
96
96
95
96
95
95
95
95

Pressure (mb)

1016
1017
1017
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022
1022
1022
1022

Ozone (du)

381
383
384
386
388
390
393
393
394
395
393
391
388
387
385
384
384
384
385
383
382

Forecast for Ephrata, Lancaster, United States of America (40.18,-76.17)

Generated: 27/05/26 05:26:20. Forecast: 27/05/26 to 02/06/26. Timezone: UTC-4.00