Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 13

Waning Gibbous 100%

22:23

04:57

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

Sun - Rise: 05:11, Set: 20:46, Transit: 12:59. Moon - Rise: 22:23, Set: 04:57. Civil Dark: 21:28 - 04:30. Nautical Dark: 22:24 - 03:33. Astro Dark: 23:48 - 02:09

Total Clouds (% Sky Obscured)

16
16
91
83
61
96
41
57
57
0
0
0
8
8
30
23
37
5
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

29
30
35
37
35
24
5
0
0
0
0
6
35
8
11
0
35
5
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
12
34
35
27
27
30
79
37
27
0
0
17
8
30
23
12
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

74
3
18
4
1
11
15
16
14
2
1
5
1
2
4
5
3
3
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
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
23
21
11
7
4
2
1
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
3
5
6
6
4
5
7
9
11
11
11
12
13
13
12
10
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
9
10
10
10
10
9
9
10
10
10
10
13
13
13
14
15
15
13
13
12
11
10

Relative Humidity (%)

77
81
79
78
85
87
86
81
69
68
61
54
48
60
58
58
59
64
68
70
76
82
87
87

Pressure (mb)

1015
1015
1015
1015
1015
1016
1016
1017
1017
1017
1017
1018
1017
1018
1017
1017
1017
1017
1017
1018
1018
1019
1020
1020

Ozone (du)

380
379
378
377
376
376
377
376
374
375
376
377
376
371
371
371
371
371
372
371
372
372
373
375

Wednesday 14

Waning Gibbous 98%

23:32

05:24

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

Sun - Rise: 05:10, Set: 20:48, Transit: 12:59. Moon - Rise: 23:32, Set: 05:24. Civil Dark: 21:29 - 04:28. Nautical Dark: 22:26 - 03:31. Astro Dark: 23:53 - 02:04

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
18
29
31
15
98
94
25
26
10
12

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
18
29
31
7
0
0
0
0
0
5

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
9
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
6
11
14
72
62
25
26
10
12

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)

6
6
6
7
7
7
7
8
12
13
12
12
12
11
11
11
12
14
15
15
14
12
12
10

Chance of Frost

Temperature (°C)

11
10
9
8
8
7
7
9
10
12
15
17
19
20
21
21
21
20
18
16
14
11
9
8

Feels Like (°C)

10
9
8
7
7
6
6
7
8
11
13
15
17
19
20
20
19
18
16
13
11
8
5
4

Dew Point (°C)

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

Relative Humidity (%)

87
88
88
90
90
90
90
82
76
70
66
63
59
58
54
53
52
57
67
73
78
75
70
75

Pressure (mb)

1020
1020
1021
1021
1020
1020
1021
1021
1022
1022
1022
1021
1021
1021
1021
1020
1020
1021
1021
1021
1022
1023
1023
1024

Ozone (du)

378
380
380
380
378
377
373
370
368
369
369
369
367
366
365
366
366
365
365
365
365
365
365
364

Thursday 15

Waning Gibbous 95%

No Rise

06:02

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

Sun - Rise: 05:08, Set: 20:49, Transit: 12:59. Moon - Rise: No Rise, Set: 06:02. Civil Dark: 21:31 - 04:26. Nautical Dark: 22:29 - 03:29. Astro Dark: 23:59 - 01:58

Total Clouds (% Sky Obscured)

34
51
57
67
62
62
79
72
75
77
99
100
76
73
82
84
82
85
80
84
86
88
67
37

Low Clouds (% Sky Obscured)

34
51
57
67
62
60
62
61
71
65
68
67
68
72
79
82
77
82
75
80
80
82
62
37

Medium Clouds (% Sky Obscured)

6
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
5
3
4
4
23
43
36
17
44
90
100
34
42
51
5
2
2
1
2
0
2
1
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
1
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
8
8
8
8
7
9
11
13
14
14
14
14
14
14
14
13
13
13
12
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
93
96
96
96
98
96
91
85
78
71
67
69
70
69
70
69
70
70
68
71
77
80
87

Pressure (mb)

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

Ozone (du)

364
366
364
363
361
361
360
361
361
361
360
359
360
359
359
359
359
359
358
358
357
356
356
356

Friday 16

Waning Gibbous 89%

00:29

06:55

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

Sun - Rise: 05:07, Set: 20:51, Transit: 12:59. Moon - Rise: 00:29, Set: 06:55. Civil Dark: 21:33 - 04:25. Nautical Dark: 22:31 - 03:26. Astro Dark: N/A - 01:53

Total Clouds (% Sky Obscured)

7
34
41
42
49
54
62
61
49
30
23
12
2
4
5
8
14
20
26
19
10
1
19
36

Low Clouds (% Sky Obscured)

7
34
41
42
49
54
60
47
36
26
16
8
0
2
4
7
13
20
26
19
10
0
19
36

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)

3
3
3
3
2
1
2
12
5
1
1
0
1
0
0
0
0
1
1
1
1
1
2
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
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
7
7
7
7
7
7
8
9
10
10
10
10
11
11
11
12
12
11
10
9
8
8
8

Chance of Frost

Temperature (°C)

8
7
7
7
6
6
6
7
9
11
13
14
16
17
18
18
19
18
17
16
14
12
10
9

Feels Like (°C)

7
6
6
6
5
4
5
6
7
10
12
13
15
16
17
17
18
16
17
16
14
12
9
8

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
94
96
96
98
90
82
72
63
59
56
55
56
58
59
57
61
68
78
84
90
93

Pressure (mb)

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

Ozone (du)

355
355
355
356
357
356
357
357
356
357
357
357
357
357
357
358
358
357
357
356
356
355
355
355

Saturday 17

Waning Gibbous 82%

01:13

08:02

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

Sun - Rise: 05:05, Set: 20:52, Transit: 12:59. Moon - Rise: 01:13, Set: 08:02. Civil Dark: 21:35 - 04:23. Nautical Dark: 22:33 - 03:24. Astro Dark: 00:05 - 01:46

Total Clouds (% Sky Obscured)

49
56
78
84
80
73
74
63
46
29
20
10
0
11
22
33
24
12
0
0
1
0
17
33

Low Clouds (% Sky Obscured)

49
56
78
84
80
72
74
63
41
26
17
9
0
10
22
33
24
12
0
0
0
0
17
33

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

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

Chance of Frost

Temperature (°C)

8
7
7
8
8
8
8
9
10
12
14
15
17
18
19
19
20
19
19
18
16
14
12
10

Feels Like (°C)

7
6
6
4
4
5
5
5
6
9
11
13
15
16
17
17
18
17
18
17
15
13
11
9

Dew Point (°C)

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

Relative Humidity (%)

93
93
96
91
84
87
90
87
83
75
68
62
59
55
54
54
53
54
60
65
74
78
79
80

Pressure (mb)

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

Ozone (du)

355
355
355
355
356
357
357
356
356
356
357
357
357
357
357
357
358
359
358
358
358
358
357
358

Sunday 18

Waning Gibbous 74%

01:45

09:19

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

Sun - Rise: 05:04, Set: 20:54, Transit: 12:59. Moon - Rise: 01:45, Set: 09:19. Civil Dark: 21:36 - 04:21. Nautical Dark: 22:36 - 03:22. Astro Dark: 00:11 - 01:39

Total Clouds (% Sky Obscured)

50
67
83
100
100
99
99
96
94
91
73
56
38
48
57
67
55
44
32
24
13
3
10
15

Low Clouds (% Sky Obscured)

50
67
83
100
100
99
99
96
94
91
73
55
36
38
39
38
29
22
14
10
5
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

20
22
23
30
18
11
5
6
6
4
6
9
11
16
23
30
29
25
21
14
7
0
1
2

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

Chance of Frost

Temperature (°C)

9
8
8
8
7
8
8
9
10
11
12
14
15
17
17
18
18
18
17
16
14
12
10
9

Feels Like (°C)

7
5
6
5
5
5
5
4
7
8
7
9
10
11
16
15
16
16
16
16
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
85
85
84
84
81
77
73
70
64
60
57
56
56
55
59
64
69
76
83
93
93

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1027
1028

Ozone (du)

358
356
357
357
357
357
356
356
355
354
354
353
353
353
352
351
351
350
350
349
349
349
349
349

Monday 19

Waning Gibbous 64%

02:08

10:41

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

Sun - Rise: 05:03, Set: 20:55, Transit: 12:59. Moon - Rise: 02:08, Set: 10:41. Civil Dark: 21:38 - 04:20. Nautical Dark: 22:38 - 03:20. Astro Dark: 00:19 - 01:30

Total Clouds (% Sky Obscured)

10
8
13
25
23
17
16
27
38
53
47
39
31
31
31
30
32
33
35
46
56
65
61
59

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
18
36
53
47
39
30
28
26
25
28
27
27
35
40
48
44
47

Medium Clouds (% Sky Obscured)

2
7
12
15
10
4
3
3
2
1
2
3
3
7
10
13
9
7
3
4
4
4
4
4

High Clouds (% Sky Obscured)

3
4
4
5
0
0
3
7
7
5
6
7
9
13
16
20
14
11
11
11
14
17
11
5

ISS Passover

Visibility (miles)

9
9
9
9
9
7
4
1
4
7
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)

5
4
4
4
4
4
5
5
7
9
12
11
11
11
11
11
11
11
12
12
11
9
8
8

Chance of Frost

Temperature (°C)

8
7
6
5
5
6
6
7
9
11
13
14
16
18
18
19
19
19
18
17
14
12
9
9

Feels Like (°C)

10
8
3
3
2
3
2
2
6
6
7
7
8
10
17
17
17
18
18
18
14
13
11
11

Dew Point (°C)

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

Relative Humidity (%)

94
98
96
98
98
96
94
94
87
79
71
66
62
58
56
55
54
59
65
72
75
79
81
82

Pressure (mb)

1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1024
1025
1025
1026
1026

Ozone (du)

350
350
351
351
351
352
354
355
355
355
355
355
356
356
356
356
357
358
359
360
361
362
363
363

Forecast for Great Missenden, Buckinghamshire, United Kingdom (51.70,-0.70)

Generated: 13/05/25 13:05:55. Forecast: 13/05/25 to 19/05/25. Timezone: UTC+1.00