Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 12%

06:36

00:48

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

Sun - Rise: 05:01, Set: 20:53, Transit: 12:57. Moon - Rise: 06:36, Set: 00:48. Civil Dark: 21:36 - 04:18. Nautical Dark: 22:37 - 03:17. Astro Dark: 00:28 - 01:11

Total Clouds (% Sky Obscured)

90
93
94
100
100
100
100
100
100
78
95
81
91
79
91
49
67
59
94
99
79
80
92
96

Low Clouds (% Sky Obscured)

82
91
93
97
100
100
100
85
65
44
52
59
80
54
68
47
67
59
61
52
67
69
65
75

Medium Clouds (% Sky Obscured)

90
93
90
98
74
65
97
91
100
78
95
81
88
23
24
49
4
0
1
24
76
26
92
25

High Clouds (% Sky Obscured)

32
93
94
100
62
100
100
100
100
50
18
4
0
12
34
49
34
19
66
76
40
45
0
2

ISS Passover

Visibility (miles)

9
9
6
9
6
9
2
0
7
9
9
9
5
5
6
8
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
78
39
41
24
24
31
47
59
60
48
45
33
8
6
4
1
1
0
1
1

Precipitation Amount (mm)

0.3
0.7
0.6
0.8
0.3
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
95
93
95
95
96
96
95
95
87
71
72
77
74
73
79
79
84
86
89
88
90
87

Pressure (mb)

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

Ozone (du)

372
374
380
384
383
381
378
378
379
378
379
379
381
379
382
385
387
387
386
390
392
392
392
392

Wednesday 20

Waxing Crescent 21%

07:58

01:23

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

Sun - Rise: 04:59, Set: 20:55, Transit: 12:57. Moon - Rise: 07:58, Set: 01:23. Civil Dark: 21:38 - 04:16. Nautical Dark: 22:39 - 03:15. Astro Dark: 00:43 - N/A

Total Clouds (% Sky Obscured)

83
69
87
95
85
77
77
75
80
84
51
68
92
95
99
97
11
100
100
43
45
91
96
100

Low Clouds (% Sky Obscured)

73
62
49
82
66
66
52
52
50
57
49
18
80
93
42
4
6
0
0
11
12
0
20
47

Medium Clouds (% Sky Obscured)

8
4
28
35
30
6
23
19
23
27
0
21
31
32
25
0
0
0
24
3
0
0
0
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
3
24
35
70
94
96
11
100
100
43
22
73
82
100

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 (%)

5
13
7
5
2
3
2
6
27
27
8
5
19
8
6
3
0
0
2
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)

12
12
12
13
12
13
14
13
15
16
16
16
18
19
16
14
13
11
9
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
80
77
74
70
73
65
68
69
59
55
60
65
68
72
79
89
93
96
96
96
95

Pressure (mb)

1012
1012
1013
1014
1014
1015
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1022
1023
1023
1024
1024
1024
1025

Ozone (du)

385
377
370
369
370
371
374
368
359
355
352
348
346
344
342
342
340
341
341
341
342
341
341
338

Thursday 21

Waxing Crescent 31%

09:28

01:46

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

Sun - Rise: 04:58, Set: 20:56, Transit: 12:57. Moon - Rise: 09:28, Set: 01:46. Civil Dark: 21:40 - 04:14. Nautical Dark: 22:41 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
96
98
99
99
93
98
95
99
93
72
63
60
51
20
19
52
98
88
63
31
46
64

Low Clouds (% Sky Obscured)

71
76
81
58
68
65
57
52
78
80
72
59
33
25
3
11
13
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

54
60
83
80
30
31
18
14
17
4
7
8
8
5
7
0
0
4
4
23
27
14
19
20

High Clouds (% Sky Obscured)

100
74
33
73
93
93
78
95
87
94
72
29
34
29
24
11
10
38
95
84
20
12
32
61

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

Chance of Frost

Temperature (°C)

11
11
11
11
12
13
14
16
18
19
20
21
21
22
22
22
21
20
17
16
15
14
13
13

Feels Like (°C)

8
9
8
9
10
11
11
13
15
16
17
19
20
21
21
21
21
20
17
15
14
13
14
13

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
89
82
74
66
62
57
56
53
53
53
55
61
65
71
74
79
83
86
87
86

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027

Ozone (du)

337
338
339
339
338
338
338
338
337
338
337
337
337
338
338
336
336
335
333
332
332
336
339
340

Friday 22

Waxing Crescent 42%

10:55

02:03

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

Sun - Rise: 04:57, Set: 20:57, Transit: 12:57. Moon - Rise: 10:55, Set: 02:03. Civil Dark: 21:41 - 04:13. Nautical Dark: 22:44 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

76
76
80
75
55
34
27
41
57
94
87
73
25
27
27
52
66
71
78
64
52
40
34
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
7
10
11
12
12
8
4
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
23
13
0
5
10
15
14
13
11
9
8
5
5
4
31
65
50
42
3
6
8
8
49

High Clouds (% Sky Obscured)

76
76
80
75
55
31
2
33
57
94
72
46
7
17
24
41
44
71
78
64
52
40
31
36

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

Chance of Frost

Temperature (°C)

13
12
13
13
14
17
19
21
22
24
25
25
26
26
25
25
24
22
20
19
18
17
16
16

Feels Like (°C)

13
13
13
14
16
17
19
21
22
23
23
23
24
25
25
25
23
21
19
18
17
17
16
16

Dew Point (°C)

10
10
11
11
11
12
13
14
14
14
15
14
15
14
15
15
16
16
15
14
14
14
13
13

Relative Humidity (%)

86
86
89
87
82
75
70
64
58
55
52
50
50
49
52
56
61
68
70
76
81
81
82
85

Pressure (mb)

1027
1026
1026
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026

Ozone (du)

340
338
339
339
340
340
340
340
338
337
337
335
334
333
332
333
333
335
337
339
340
340
338
337

Saturday 23

First Quarter 53%

12:19

02:16

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

Sun - Rise: 04:55, Set: 20:59, Transit: 12:57. Moon - Rise: 12:19, Set: 02:16. Civil Dark: 21:43 - 04:12. Nautical Dark: 22:46 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

53
70
88
100
100
100
100
85
68
43
44
51
49
58
61
64
34
44
60
65
61
55
56
56

Low Clouds (% Sky Obscured)

0
1
25
16
0
2
0
13
26
39
41
42
44
37
30
23
34
44
60
57
55
53
52
51

Medium Clouds (% Sky Obscured)

53
63
57
53
42
41
55
55
50
2
3
6
10
16
22
31
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

53
68
84
100
100
100
100
72
33
6
4
2
0
0
0
1
12
23
36
30
22
14
15
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
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
2
5
37
37
9
0
1
17
13
12
5
5
7
12
10
5
3
1
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
3
3
3
3
2
3
3
2
4
5
7
7
8
8
8
8
5
4
5
4
3
3
3

Chance of Frost

Temperature (°C)

15
15
15
16
16
18
19
21
23
24
26
26
26
27
26
25
24
21
19
18
17
16
15
15

Feels Like (°C)

15
14
15
16
16
18
20
22
24
25
27
27
26
27
26
26
26
23
23
23
22
21
20
15

Dew Point (°C)

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

Relative Humidity (%)

85
83
84
80
79
74
78
79
75
70
61
59
56
56
63
64
68
74
82
90
90
90
92
92

Pressure (mb)

1025
1025
1025
1025
1026
1025
1026
1026
1026
1026
1025
1025
1025
1025
1025
1026
1026
1028
1028
1029
1029
1029
1029
1030

Ozone (du)

338
338
339
341
344
348
351
354
357
350
346
345
343
340
337
335
333
332
330
329
328
327
326
326

Sunday 24

Waxing Gibbous 64%

13:37

02:28

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

Sun - Rise: 04:54, Set: 21:00, Transit: 12:57. Moon - Rise: 13:37, Set: 02:28. Civil Dark: 21:44 - 04:10. Nautical Dark: 22:48 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
52
48
45
49
55
60
57
51
45
41
39
36
37
36
36
24
12
0
19
35
51
52
51

Low Clouds (% Sky Obscured)

50
45
37
27
32
39
45
40
35
30
33
33
35
37
36
36
24
12
0
18
34
51
52
51

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)

18
18
20
25
34
40
35
24
18
13
9
7
3
5
10
14
10
8
0
2
2
2
2
3

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
15
15
16
17
18
20
21
22
24
24
24
25
24
23
23
21
19
17
16
16
15
14

Feels Like (°C)

15
15
15
15
15
17
18
19
19
19
20
26
26
26
26
26
26
23
23
22
21
20
19
16

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
89
85
82
77
74
66
59
54
52
50
48
54
59
65
71
76
83
85
86
89
87

Pressure (mb)

1030
1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032

Ozone (du)

325
325
324
323
323
322
322
322
321
321
321
320
320
320
319
318
318
318
318
319
318
317
316
316

Monday 25

Waxing Gibbous 74%

14:53

02:38

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

Sun - Rise: 04:53, Set: 21:01, Transit: 12:57. Moon - Rise: 14:53, Set: 02:38. Civil Dark: 21:46 - 04:09. Nautical Dark: 22:50 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

51
53
55
57
53
60
59
45
30
16
12
9
12
13
10
7
5
3
2
2
2
1

Low Clouds (% Sky Obscured)

51
53
55
57
53
60
59
45
30
16
12
7
3
6
5
3
2
1
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

High Clouds (% Sky Obscured)

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

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

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
None
None
None
None

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
14
14
14
16
18
19
20
22
23
23
24
24
23
22
22
20
18
16
16
15

Feels Like (°C)

16
16
16
15
14
18
18
18
20
21
21
26
26
25
26
26
26
21
20
19
19
18

Dew Point (°C)

12
11
11
11
11
11
11
12
13
13
14
14
14
14
14
14
14
13
11
9
9
9

Relative Humidity (%)

87
86
83
80
78
72
66
61
61
58
55
55
55
54
56
59
62
62
63
63
65
66

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1030
1030
1029
1029
1028
1028
1028
1028
1028
1029
1028
1028

Ozone (du)

316
315
315
315
315
314
314
313
313
313
313
312
312
311
310
310
309
309
309
309
310
310

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 19/05/26 03:21:39. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+1.00