Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 12%

07:59

00:52

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:00, Set: 20:56, Transit: 12:59. Moon - Rise: 07:59, Set: 00:52. Civil Dark: 21:40 - 04:17. Nautical Dark: 22:41 - 03:15. Astro Dark: 00:48 - N/A

Total Clouds (% Sky Obscured)

64
62
76
79
77
100
91
97
95
100
90
98
97
94
85
86
74
61
58
58
57
84
86
86

Low Clouds (% Sky Obscured)

44
55
61
73
57
57
55
57
55
52
68
45
51
55
85
67
63
57
56
56
54
83
72
72

Medium Clouds (% Sky Obscured)

64
62
54
11
33
45
54
82
38
46
45
88
78
40
37
24
4
4
4
3
1
15
40
26

High Clouds (% Sky Obscured)

2
2
15
2
10
65
20
87
33
64
20
37
2
25
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
5
7
5
5
4
9
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
48
89
85
94
62
55
44
29
33
7
8
11
18
18
20
21
19
4
3
16
16
25
32

Precipitation Amount (mm)

0.2
0.4
0.5
0.4
0.9
0.3
0.3
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
77
85
83
85
85
87
90
90
92
93
95
95
95
95
91
90
90
91
90
89
87
75
73

Pressure (mb)

1006
1006
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1010
1010
1010
1011
1011
1012
1013
1014
1015
1015
1016

Ozone (du)

382
383
384
383
389
390
390
390
388
390
394
393
394
394
389
384
377
373
375
374
372
369
366
362

Wednesday 20

Waxing Crescent 21%

09:29

01:26

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
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

Sun - Rise: 04:59, Set: 20:58, Transit: 12:59. Moon - Rise: 09:29, Set: 01:26. Civil Dark: 21:42 - 04:15. Nautical Dark: 22:43 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

93
100
73
96
97
71
64
100
98
8
18
31
100
100
100
100
100
98
93
98
100
98
84
93

Low Clouds (% Sky Obscured)

73
56
53
51
76
24
49
47
23
5
0
0
9
31
40
34
46
56
82
67
55
50
45
71

Medium Clouds (% Sky Obscured)

50
45
29
31
20
19
15
0
2
2
7
2
47
50
45
42
36
95
83
91
47
52
44
42

High Clouds (% Sky Obscured)

0
3
5
83
57
65
64
100
75
8
18
20
99
100
100
100
97
78
72
70
100
83
12
49

ISS Passover

Visibility (miles)

9
6
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 (%)

42
36
22
4
9
22
6
1
0
0
0
0
0
0
0
1
2
3
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)

16
17
16
17
16
15
14
12
12
10
9
9
9
8
8
6
6
7
8
9
10
10
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
74
79
66
68
73
82
85
85
90
95
96
95
95
96
98
96
96
93
89
86
82
75
76

Pressure (mb)

1017
1017
1018
1018
1019
1019
1020
1021
1021
1022
1023
1023
1023
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025

Ozone (du)

357
354
349
346
345
345
344
343
343
343
342
341
341
339
338
338
339
340
341
339
339
339
338
337

Thursday 21

Waxing Crescent 31%

10:57

01:50

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 Good
04 OK
05 OK
06 Good
07 Good
08 OK
09 OK
10 Bad
11 Bad

Sun - Rise: 04:58, Set: 20:59, Transit: 12:59. Moon - Rise: 10:57, Set: 01:50. Civil Dark: 21:43 - 04:14. Nautical Dark: 22:46 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

86
66
62
78
92
100
61
72
84
59
100
96
39
0
4
2
9
34
7
11
41
33
59
68

Low Clouds (% Sky Obscured)

75
40
45
48
44
37
16
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
30
15
8
17
33
35
65
84
59
92
70
15
0
0
0
0
0
0
4
9
14
23
31

High Clouds (% Sky Obscured)

43
44
52
64
85
100
35
40
38
51
100
84
0
0
4
2
8
34
7
5
29
15
25
25

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
1
2
3
3
16
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
19
20
20
20
21
20
18
16
14
13
13
14
12
11
11
11
10
14
16
17
19
20

Dew Point (°C)

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

Relative Humidity (%)

71
72
70
73
75
73
75
80
85
89
87
87
90
89
89
87
90
90
88
87
79
77
74
70

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1025
1026
1026
1026
1026
1026
1025

Ozone (du)

337
338
338
337
337
336
335
334
334
334
337
340
341
344
344
346
344
344
343
341
340
340
339
339

Friday 22

Waxing Crescent 42%

No Rise

02:06

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

Sun - Rise: 04:57, Set: 21:01, Transit: 12:59. Moon - Rise: No Rise, Set: 02:06. Civil Dark: 21:45 - 04:12. Nautical Dark: 22:48 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
55
31
15
56
81
91
89
76
43
48
71
95
96
97
99
91
83
74
77
83
88
87
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
9
16
34
33
57
65
73
76
82
78
60

Medium Clouds (% Sky Obscured)

43
30
17
2
22
41
62
64
68
39
41
46
95
89
81
74
67
66
62
66
67
74
81
75

High Clouds (% Sky Obscured)

20
16
11
13
45
67
86
75
58
37
27
29
45
65
81
96
82
62
40
28
14
10
17
20

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
2
17
12
12
14
24
20
14
17
13

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)

11
12
12
12
11
10
10
9
7
6
5
5
5
5
4
4
3
3
2
3
4
5
7
6

Chance of Frost

Temperature (°C)

23
24
24
24
24
24
23
22
20
19
18
17
17
17
16
16
16
16
16
16
17
18
19
19

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
17
18
18
18
18
17
16
16
16
15
14
14
14
14
14
15
16
17
18
18

Relative Humidity (%)

66
63
62
60
62
69
72
76
84
88
90
92
92
90
87
85
89
90
90
89
92
92
93
93

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024

Ozone (du)

339
339
340
341
341
340
338
338
337
336
336
335
336
337
338
338
338
339
340
344
348
352
356
360

Saturday 23

First Quarter 53%

12:21

02:19

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

Sun - Rise: 04:55, Set: 21:02, Transit: 12:59. Moon - Rise: 12:21, Set: 02:19. Civil Dark: 21:47 - 04:11. Nautical Dark: 22:51 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

81
80
79
73
64
77
84
73
55
49
57
14
15
20
18
14
15
29
44
38
33
27
19
12

Low Clouds (% Sky Obscured)

56
55
53
48
49
53
57
51
47
38
26
13
0
0
0
0
12
24
37
33
30
27
19
11

Medium Clouds (% Sky Obscured)

47
58
27
33
36
51
59
54
36
23
15
8
0
0
0
0
2
4
6
4
2
0
1
2

High Clouds (% Sky Obscured)

27
36
36
9
5
3
0
0
1
11
24
1
10
10
11
13
13
15
15
19
20
16
12
8

ISS Passover

Visibility (miles)

8
9
5
5
9
9
8
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 (%)

22
31
44
47
39
27
30
20
7
1
0
0
0
0
1
0
0
0
0
0
0
0
6
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
18
19
19
20
19
19
19
18
18
16
15
15
14
14
13
13
13
13
13
14
15
15
15

Relative Humidity (%)

84
75
78
81
81
78
76
83
86
89
89
89
89
92
92
92
93
92
90
90
85
80
76
70

Pressure (mb)

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

Ozone (du)

364
365
362
358
355
347
346
344
341
340
339
336
332
330
327
325
323
323
324
324
324
323
323
324

Sunday 24

Waxing Gibbous 64%

13:40

02:30

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

Sun - Rise: 04:54, Set: 21:04, Transit: 12:59. Moon - Rise: 13:40, Set: 02:30. Civil Dark: 21:48 - 04:09. Nautical Dark: 22:53 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

4
9
13
18
13
10
4
3
2
2
12
19
24
36
43
50
50
50
60
62
68
69
60
50

Low Clouds (% Sky Obscured)

3
7
12
16
11
7
1
0
0
0
12
19
24
36
43
50
50
50
60
62
68
69
57
45

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

4
3
1
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)

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 (%)

10
10
10
9
8
6
1
4
2
0
0
0
0
0
0
0
0
1
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
9
9
9
10
9
9
8
7
7
6
6
5
5
5
5
6
6
6
6
6
7
7
8

Chance of Frost

Temperature (°C)

22
23
24
24
24
24
23
22
20
18
16
15
14
13
12
12
11
11
12
12
13
14
15
17

Feels Like (°C)

19
20
27
26
26
26
25
25
23
22
22
20
19
18
14
14
14
13
12
12
14
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

67
64
62
60
59
63
69
75
79
82
86
86
89
90
89
86
83
81
79
76
74
70
68
65

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030

Ozone (du)

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

Monday 25

Waxing Gibbous 74%

14:55

02:40

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

Sun - Rise: 04:53, Set: 21:05, Transit: 13:00. Moon - Rise: 14:55, Set: 02:40. Civil Dark: 21:50 - 04:08. Nautical Dark: 22:55 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

37
27
17
7
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

35
27
17
7
5
2
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

High Clouds (% Sky Obscured)

0
0
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
9
9

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
20
21
22
23
22
22
21
19
17
15
14
14
13
12
11
10
11
11

Feels Like (°C)

16
17
24
24
24
24
24
24
22
21
21
19
18
17
13
13
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

63
61
61
59
58
62
68
74
77
81
85
87
90
93
93
93
93
90
87

Pressure (mb)

1030
1030
1029
1029
1028
1028
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027

Ozone (du)

321
321
320
318
317
317
317
317
317
318
318
320
321
323
322
321
320
321
321

Forecast for Loughton, Milton Keynes, United Kingdom (52.03,-0.77)

Generated: 19/05/26 12:39:49. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+1.00