Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 18

Waxing Crescent 5%

05:53

00:00

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
03 Bad

Sun - Rise: 05:20, Set: 21:00, Transit: 13:10. Moon - Rise: 05:53, Set: 00:00. Civil Dark: 21:41 - 04:39. Nautical Dark: 22:38 - 03:41. Astro Dark: 00:02 - 02:14

Total Clouds (% Sky Obscured)

100
98
100
100
100
100
99
95
93
97
98
100
96
99
99
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

77
79
84
58
47
77
84
82
93
85
95
100
78
67
77
84
85
88
88
87
98
100
100
96

Medium Clouds (% Sky Obscured)

92
92
82
62
63
96
99
86
71
59
61
88
81
96
98
100
100
100
100
100
100
49
35
27

High Clouds (% Sky Obscured)

0
15
91
100
99
98
82
10
10
33
25
79
65
93
56
14
78
100
100
100
100
100
100
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
6
8
9
9
8
8
9
6
9
5
4
4
1
0
0
0
0

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

Precipitation Probability (%)

95
95
47
50
39
44
44
41
42
36
41
38
31
37
54
86
95
95
95
95
95
95
81
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.1
0.9
0.6
0.4
0.4
0.8
0.3
0

Wind Speed/Direction (mph)

6
6
6
8
9
11
12
13
13
13
12
13
13
13
12
11
10
12
14
17
17
17
16
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
82
85
81
72
70
72
75
76
76
74
80
83
89
91
95
96
98
98
98
98
98
98

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1008
1007
1006
1006
1005

Ozone (du)

402
398
393
388
384
382
385
387
385
382
378
374
372
374
374
373
372
372
373
377
380
384
387
388

Tuesday 19

Waxing Crescent 12%

06:59

00:54

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
03 Bad

Sun - Rise: 05:19, Set: 21:02, Transit: 13:10. Moon - Rise: 06:59, Set: 00:54. Civil Dark: 21:43 - 04:37. Nautical Dark: 22:40 - 03:39. Astro Dark: 00:07 - 02:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
98
92
85
92
93
88
74
57
51
59
59
100
100
97
99
100
98
97

Low Clouds (% Sky Obscured)

80
57
49
86
94
78
64
61
51
66
74
66
69
57
51
51
58
67
71
83
76
89
96
93

Medium Clouds (% Sky Obscured)

0
88
100
100
100
90
94
79
47
41
54
39
37
22
17
48
56
67
66
73
64
78
87
71

High Clouds (% Sky Obscured)

81
100
67
100
25
12
0
0
0
0
2
0
0
0
0
31
59
71
73
72
0
0
0
0

ISS Passover

Visibility (miles)

0
9
9
9
9
7
7
6
6
6
6
6
6
6
8
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
1
2
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
Very Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

31
14
5
7
24
50
65
72
53
52
57
53
42
36
24
7
4
35
74
83
63
58
68
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
92
92
92
90
93
92
87
79
74
77
77
78
80
82
82
82
84
86
83
80
80
84
84

Pressure (mb)

1004
1004
1005
1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1010
1011
1012
1012
1012
1012
1013
1013
1013

Ozone (du)

388
385
385
387
388
388
387
386
384
385
388
384
385
386
386
388
390
390
390
388
382
378
370
364

Wednesday 20

Waxing Crescent 21%

08:20

01:31

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

Sun - Rise: 05:17, Set: 21:03, Transit: 13:10. Moon - Rise: 08:20, Set: 01:31. Civil Dark: 21:45 - 04:36. Nautical Dark: 22:42 - 03:37. Astro Dark: 00:12 - 02:03

Total Clouds (% Sky Obscured)

94
99
96
94
99
95
92
79
63
71
58
78
54
62
7
36
52
91
99
100
100
99
97
95

Low Clouds (% Sky Obscured)

88
98
90
83
96
88
71
65
60
51
57
54
54
56
0
4
8
29
33
40
45
44
62
64

Medium Clouds (% Sky Obscured)

82
41
42
35
15
32
76
11
13
2
2
37
0
12
3
21
15
32
51
55
56
81
51
50

High Clouds (% Sky Obscured)

2
17
6
40
34
16
25
10
1
20
1
1
2
2
3
5
32
91
91
100
100
74
55
25

ISS Passover

Visibility (miles)

6
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 (%)

32
19
12
7
16
8
4
1
2
0
0
2
2
1
0
0
0
0
0
0
2
1
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)

15
13
12
11
12
14
15
15
16
16
15
15
15
14
13
11
10
8
6
6
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
13
13
13
12
11
12
12
12
13
13
13
13
13
13
12
11
11
11
11
11
11

Relative Humidity (%)

90
93
92
93
90
86
75
68
65
64
64
66
65
68
71
78
85
93
95
93
95
95
95
93

Pressure (mb)

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

Ozone (du)

361
361
355
350
350
347
347
349
347
346
344
343
345
344
344
343
343
342
342
342
342
341
341
339

Thursday 21

Waxing Crescent 31%

09:47

01:56

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 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 Good

Sun - Rise: 05:16, Set: 21:04, Transit: 13:10. Moon - Rise: 09:47, Set: 01:56. Civil Dark: 21:46 - 04:34. Nautical Dark: 22:44 - 03:35. Astro Dark: 00:17 - 01:58

Total Clouds (% Sky Obscured)

94
95
91
96
98
65
62
58
58
68
71
91
58
53
55
44
61
71
66
62
47
20
24
7

Low Clouds (% Sky Obscured)

57
57
52
55
62
60
55
45
36
29
24
17
11
6
0
0
6
15
5
6
11
6
3
0

Medium Clouds (% Sky Obscured)

47
45
42
34
25
15
22
30
38
39
35
36
30
22
19
19
22
23
20
12
29
3
3
1

High Clouds (% Sky Obscured)

27
31
31
55
73
65
62
58
58
64
46
45
28
33
47
30
32
36
36
35
27
11
24
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
7
7
7
7
7
7
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
1
1
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
4
6
7
10
10
11
11
11
11
11
10
10
8
6
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
12
12
12
12
12
12
12
12
12
12
12
11
12
12
11
11
11
11
11
11
11

Relative Humidity (%)

95
96
95
93
86
79
71
68
66
65
65
66
66
68
71
77
84
89
92
93
95
95
95
95

Pressure (mb)

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

Ozone (du)

339
339
338
338
338
341
341
341
340
339
338
337
336
333
332
332
333
336
340
343
343
343
342
343

Friday 22

Waxing Crescent 42%

11:13

02:14

04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
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

Sun - Rise: 05:15, Set: 21:06, Transit: 13:10. Moon - Rise: 11:13, Set: 02:14. Civil Dark: 21:48 - 04:33. Nautical Dark: 22:46 - 03:33. Astro Dark: 00:23 - 01:52

Total Clouds (% Sky Obscured)

5
4
3
8
10
15
42
69
99
83
65
47
65
81
100
81
65
49
59
70
85
83
82
83

Low Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
0
11
22
33
31
20
10
27
41
56
63
68
65

Medium Clouds (% Sky Obscured)

2
2
3
3
3
5
5
4
0
17
42
18
24
31
34
9
19
29
32
34
38
42
44
41

High Clouds (% Sky Obscured)

3
2
3
5
6
9
32
57
98
80
59
39
53
75
99
71
47
20
12
19
26
27
30
34

ISS Passover

Visibility (miles)

9
9
9
9
9
7
7
7
7
7
7
7
7
7
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
2
19
27
23
24
4
12
9
10
25
30
25

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
5
7
9
10
11
12
12
12
12
12
10
8
6
5
3
2
1
2
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
95
89
83
80
76
74
74
74
75
75
76
77
81
85
87
92
92
92
93
92
90

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024

Ozone (du)

344
342
343
342
344
344
343
342
342
340
340
341
342
341
341
340
339
337
336
336
336
336
336
336

Saturday 23

First Quarter 54%

12:35

02:28

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 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK

Sun - Rise: 05:14, Set: 21:07, Transit: 13:10. Moon - Rise: 12:35, Set: 02:28. Civil Dark: 21:49 - 04:32. Nautical Dark: 22:48 - 03:31. Astro Dark: 00:29 - 01:45

Total Clouds (% Sky Obscured)

82
82
82
81
83
86
78
67
61
69
73
75
58
47
38
28
17
6
6
8
9
14
19
24

Low Clouds (% Sky Obscured)

59
50
45
44
43
42
33
26
20
14
7
2
1
1
0
0
0
0
0
0
0
8
14
21

Medium Clouds (% Sky Obscured)

47
48
52
55
54
55
43
31
17
17
16
14
13
11
9
7
4
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

35
42
46
32
19
5
5
4
4
6
12
18
22
28
31
22
13
4
3
3
3
3
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
8
7
7
7
7
6
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
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 (%)

16
6
0
0
0
0
0
0
0
2
2
1
19
28
33
32
31
28
19
11
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
4
4
6
5
5
5
4
4
5
6
6
7
7
6
5
3
3
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
14
17
17
18
19
19
20
26
25
25
24
24
25
23
22
23
22
22
22
18
17

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
83
77
72
68
64
60
62
63
64
68
75
81
84
89
92
92
92
92
90
89

Pressure (mb)

1024
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1029
1029
1029
1030
1030
1030
1030

Ozone (du)

336
338
340
341
341
341
341
341
342
343
343
342
342
341
340
340
339
339
339
339
339
340
338
337

Sunday 24

Waxing Gibbous 64%

13:52

02:41

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

Sun - Rise: 05:13, Set: 21:08, Transit: 13:10. Moon - Rise: 13:52, Set: 02:41. Civil Dark: 21:51 - 04:30. Nautical Dark: 22:50 - 03:29. Astro Dark: 00:36 - 01:36

Total Clouds (% Sky Obscured)

31
36
42
31
16
1
3
6
8
10
16
16
25
30
29
19
6
0
2
3
5

Low Clouds (% Sky Obscured)

28
33
38
27
14
0
0
0
0
1
4
7
24
30
29
19
6
0
2
3
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

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
8
7
8
8
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

Precipitation Type

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
8
11
10
24
24
23
26
16
6
10
6
0
0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
15
16
18
19
21
21
22
23
26
26
25
25
25
25
23
23
22
20
20

Dew Point (°C)

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

Relative Humidity (%)

89
90
90
92
88
85
81
78
74
71
70
69
67
71
74
78
81
86
90
92
93

Pressure (mb)

1030
1030
1030
1030
1030
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031

Ozone (du)

336
335
335
334
335
335
335
334
333
331
332
332
333
332
331
330
330
329
328
327
327

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 18/05/26 04:04:13. Forecast: 18/05/26 to 24/05/26. Timezone: UTC+1.00