Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Crescent 5%

06:37

23:53

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:01, Set: 20:51, Transit: 12:56. Moon - Rise: 06:37, Set: 23:53. Civil Dark: 21:33 - 04:18. Nautical Dark: 22:32 - 03:18. Astro Dark: 00:13 - 01:32

Total Clouds (% Sky Obscured)

92
91
94
93
97
84
89
96
99
100
97
93
99
97
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

66
55
53
85
59
29
24
17
38
59
65
84
56
83
86
85
91
100
100
100
97
67
66
59

Medium Clouds (% Sky Obscured)

46
39
59
34
39
70
54
96
99
84
97
93
96
97
100
49
100
92
72
28
86
93
100
95

High Clouds (% Sky Obscured)

38
0
26
51
72
54
17
37
38
47
52
9
48
21
100
100
100
35
2
100
100
100
94
23

ISS Passover

Visibility (miles)

9
9
5
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
8
9
8
9
5
6

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

Precipitation Probability (%)

95
79
43
30
11
2
0
0
5
25
34
41
44
57
95
95
80
82
69
15
18
32
42
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.6
0.4
0.5
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
12
12
11
10
8
8
8
8
9
10
11
11
12
13
14
14
14
15
14
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
70
62
69
70
72
75
80
81
84
85
84
90
88
93
95
93
95
96
96
96
87
73
70

Pressure (mb)

1011
1012
1011
1012
1011
1012
1012
1012
1012
1012
1012
1012
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1007
1007

Ozone (du)

388
390
385
382
378
376
377
377
375
374
374
373
373
375
377
379
384
387
385
381
380
382
382
379

Tuesday 19

Waxing Crescent 12%

07:59

00:46

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 04:59, Set: 20:52, Transit: 12:56. Moon - Rise: 07:59, Set: 00:46. Civil Dark: 21:35 - 04:16. Nautical Dark: 22:35 - 03:16. Astro Dark: 00:21 - 01:22

Total Clouds (% Sky Obscured)

97
94
68
83
97
88
81
83
78
77
100
100
100
100
99
100
84
88
63
75
51
85
96
97

Low Clouds (% Sky Obscured)

61
59
63
43
57
58
59
72
64
60
54
66
65
88
81
85
72
83
55
56
46
40
87
35

Medium Clouds (% Sky Obscured)

97
82
21
79
97
59
39
6
75
18
94
80
48
52
59
60
34
38
3
17
0
43
30
45

High Clouds (% Sky Obscured)

1
0
0
1
0
0
30
30
30
39
99
90
59
0
2
1
0
0
0
1
14
25
19
35

ISS Passover

Visibility (miles)

6
6
8
8
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

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

Precipitation Probability (%)

61
43
37
23
28
14
4
5
4
0
0
10
38
29
63
60
38
13
34
21
27
21
41
41

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
18
18
18
17
14
14
13
14
14
14
13
14
14
13
14
13
12
12
12
15
18
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
75
72
68
69
73
76
78
82
83
84
86
87
77
75
79
80
79
84
92
77
64
68
64

Pressure (mb)

1007
1007
1007
1008
1008
1009
1009
1010
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1015
1016
1016
1017
1017
1018

Ozone (du)

380
384
387
383
385
389
389
389
391
391
390
389
387
382
371
373
382
379
374
367
362
359
355
351

Wednesday 20

Waxing Crescent 21%

09:28

01:22

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 04:58, Set: 20:53, Transit: 12:56. Moon - Rise: 09:28, Set: 01:22. Civil Dark: 21:36 - 04:15. Nautical Dark: 22:37 - 03:14. Astro Dark: 00:31 - 01:03

Total Clouds (% Sky Obscured)

86
83
96
87
63
74
56
74
38
65
91
100
100
100
100
100
99
99
99
99
94
83
76
87

Low Clouds (% Sky Obscured)

63
58
59
47
40
36
33
38
5
0
0
0
28
52
67
67
45
46
44
45
35
26
21
22

Medium Clouds (% Sky Obscured)

29
25
42
19
10
0
2
0
7
13
4
9
19
29
22
97
77
39
34
40
40
36
35
44

High Clouds (% Sky Obscured)

4
52
43
45
53
74
39
66
23
45
87
100
100
100
100
93
96
94
92
91
67
40
18
19

ISS Passover

Visibility (miles)

7
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 (%)

38
36
41
39
9
3
0
0
0
0
0
0
0
0
0
5
11
6
4
1
3
4
1
1

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)

17
17
17
15
14
13
11
8
8
8
7
6
6
6
7
7
7
8
9
9
10
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
12
12
13
13
14
14
13
13
12
11
11
10
11
11
10
11
11
11
11
10
10
10

Relative Humidity (%)

67
66
65
70
72
77
82
89
92
93
93
95
95
95
96
96
93
89
80
75
68
61
55
51

Pressure (mb)

1018
1019
1019
1020
1020
1021
1022
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

349
347
345
345
345
345
346
345
344
344
344
343
343
344
343
342
341
338
337
336
338
337
338
339

Thursday 21

Waxing Crescent 31%

10:55

01:45

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 OK
23 OK
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

Sun - Rise: 04:57, Set: 20:55, Transit: 12:57. Moon - Rise: 10:55, Set: 01:45. Civil Dark: 21:38 - 04:13. Nautical Dark: 22:39 - 03:12. Astro Dark: 00:50 - N/A

Total Clouds (% Sky Obscured)

89
92
89
86
79
60
43
50
42
45
51
49
52
51
59
85
100
95
79
86
91
96
80
79

Low Clouds (% Sky Obscured)

21
18
12
6
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
3
6
9
15

Medium Clouds (% Sky Obscured)

56
62
61
54
47
35
21
7
9
10
20
27
37
41
35
32
36
77
36
40
54
48
52
54

High Clouds (% Sky Obscured)

12
5
5
5
9
35
43
50
42
45
51
40
19
2
27
68
100
73
38
16
15
24
20
42

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 (%)

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

Chance of Frost

Temperature (°C)

21
21
21
21
21
20
18
17
15
15
14
14
13
13
13
13
14
15
17
19
20
22
23
24

Feels Like (°C)

19
19
19
19
19
19
18
17
16
15
15
14
13
13
13
13
14
14
16
18
18
20
21
23

Dew Point (°C)

10
11
11
12
13
13
13
12
12
12
12
12
11
11
11
12
13
12
13
14
14
14
14
14

Relative Humidity (%)

50
50
51
55
60
65
70
73
79
84
87
87
89
87
92
93
92
84
77
71
66
61
55
52

Pressure (mb)

1026
1026
1026
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1026
1025
1025
1025
1025
1024
1024

Ozone (du)

340
341
341
341
341
339
338
342
347
349
347
346
345
345
345
346
344
342
340
338
337
336
336
337

Friday 22

Waxing Crescent 42%

12:18

02:02

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 04:56, Set: 20:56, Transit: 12:57. Moon - Rise: 12:18, Set: 02:02. Civil Dark: 21:40 - 04:12. Nautical Dark: 22:41 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
88
74
57
68
82
92
92
97
100
99
100
100
100
100
99
98
99
100
100
100
99
93

Low Clouds (% Sky Obscured)

18
20
14
7
0
0
0
0
0
0
0
18
35
53
52
52
51
65
78
92
84
75
67
62

Medium Clouds (% Sky Obscured)

52
35
37
32
28
35
39
45
45
43
55
66
81
98
94
92
89
92
95
100
99
99
98
92

High Clouds (% Sky Obscured)

76
100
80
58
37
49
65
82
82
85
93
96
98
99
98
96
94
96
98
100
93
85
76
55

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
30
44
52
56
67
83
80
72
66
50
27
10
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.4
0.3
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
25
25
24
23
21
20
18
18
17
17
17
16
16
16
17
17
17
17
17
18
18
18

Feels Like (°C)

23
23
23
23
22
22
22
20
20
19
18
16
16
16
16
15
14
14
18
18
18
19
19
20

Dew Point (°C)

14
13
14
15
15
15
16
15
15
16
15
14
14
15
15
15
15
15
15
15
15
15
16
17

Relative Humidity (%)

50
48
49
54
57
61
70
76
82
88
86
85
86
89
90
89
87
86
86
86
85
86
88
89

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1020
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023

Ozone (du)

337
337
336
336
336
336
336
337
338
337
338
338
338
339
339
343
346
350
350
351
351
352
352
353

Saturday 23

First Quarter 53%

13:37

02:16

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 OK
06 OK
07 Bad
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 04:55, Set: 20:58, Transit: 12:57. Moon - Rise: 13:37, Set: 02:16. Civil Dark: 21:41 - 04:11. Nautical Dark: 22:44 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

86
79
73
66
55
60
76
85
79
69
63
66
65
52
44
40
37
39
41
39
45
49
54
67

Low Clouds (% Sky Obscured)

57
51
46
41
32
32
33
33
31
26
23
33
42
51
44
40
37
39
37
33
35
36
38
53

Medium Clouds (% Sky Obscured)

86
74
51
39
25
24
18
22
16
5
3
6
12
25
29
32
33
25
18
10
14
18
9
12

High Clouds (% Sky Obscured)

33
11
10
6
0
4
9
14
28
40
54
48
41
31
22
10
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
39
48
54
37
43
42
7
11
9
8
11
10
1
2
3
0
0
0
0
6
9
12
15

Precipitation Amount (mm)

0
0
0
0.2
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
8
7
6
6
5
5
5
5
5
5
5
5
5
5
6
6
6
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
17
17
16
15
14
15
15
16
15
15
15
14
14
14
14
14
14
14
15
15
15
16
17

Relative Humidity (%)

88
88
86
81
76
71
78
85
95
95
96
98
96
96
96
95
95
93
87
83
78
76
75
72

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1027
1027
1027
1028
1028
1029
1029
1029
1029
1029
1029

Ozone (du)

354
355
355
352
350
347
346
344
343
341
339
337
335
333
332
330
328
326
326
326
327
325
324
323

Sunday 24

Waxing Gibbous 64%

No Rise

02:27

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

Sun - Rise: 04:53, Set: 20:59, Transit: 12:57. Moon - Rise: No Rise, Set: 02:27. Civil Dark: 21:43 - 04:09. Nautical Dark: 22:46 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
95
75
58
39
35
31
25
17
9
2
9
15
10
5
8
21

Low Clouds (% Sky Obscured)

68
83
64
45
25
17
14
3
2
1
0
0
0
0
5
8
21

Medium Clouds (% Sky Obscured)

20
39
32
12
4
5
5
5
2
1
0
1
1
6
5
8
16

High Clouds (% Sky Obscured)

0
0
0
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

Fog (%)

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

Precipitation Probability (%)

17
17
18
19
16
15
12
6
6
5
2
2
1
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
22
22
22
21
20
18
16
15
15
14
13
13
12
13
13

Feels Like (°C)

23
22
22
23
23
22
21
21
20
20
19
18
15
15
14
15
14

Dew Point (°C)

17
18
18
18
18
18
17
16
15
14
14
13
12
12
11
12
12

Relative Humidity (%)

74
76
78
79
81
82
86
89
93
93
93
93
93
93
93
92
90

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

322
321
320
320
321
322
321
321
321
321
321
322
322
322
322
321
320

Forecast for Enfield, Greater London, United Kingdom (51.65,-0.08)

Generated: 18/05/26 14:05:02. Forecast: 18/05/26 to 24/05/26. Timezone: UTC+1.00