Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 87%

16:33

03:38

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

Sun - Rise: 04:59, Set: 20:56, Transit: 12:58. Moon - Rise: 16:33, Set: 03:38. Civil Dark: 21:40 - 04:15. Nautical Dark: 22:42 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
20
20
12
12
12
12
0
0
0
0
11
26
45
47
52
58
84
89
78
92
67
53
41

Low Clouds (% Sky Obscured)

27
12
4
0
0
0
0
0
0
0
0
12
30
48
57
66
74
87
86
74
90
59
51
34

Medium Clouds (% Sky Obscured)

3
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
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
0
0
4
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
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)

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

Chance of Frost

Temperature (°C)

18
19
20
20
20
20
19
18
17
14
12
11
10
9
10
9
9
8
9
10
11
12
14
16

Feels Like (°C)

17
18
19
19
18
19
17
17
15
13
11
10
9
9
9
8
8
7
6
7
8
9
11
13

Dew Point (°C)

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

Relative Humidity (%)

73
66
58
55
53
53
57
59
63
70
80
85
87
90
96
98
98
100
98
95
92
87
84
78

Pressure (mb)

1015
1015
1015
1015
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

394
393
390
389
386
387
388
389
390
389
388
389
389
386
387
387
386
387
387
387
387
388
389
390

Tuesday 21

Waxing Gibbous 93%

17:46

03:49

12 Bad
13 Bad
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

Sun - Rise: 04:57, Set: 20:58, Transit: 12:58. Moon - Rise: 17:46, Set: 03:49. Civil Dark: 21:42 - 04:13. Nautical Dark: 22:44 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

67
74
70
90
76
77
66
63
53
51
33
39
47
100
89
88
90
95
94
99
98
100
100
100

Low Clouds (% Sky Obscured)

37
41
44
58
48
39
6
0
0
0
3
2
6
52
69
74
82
88
88
99
96
100
100
100

Medium Clouds (% Sky Obscured)

37
41
37
44
49
56
57
61
50
48
27
33
39
56
33
25
22
18
40
35
30
76
74
76

High Clouds (% Sky Obscured)

14
12
14
34
46
48
51
37
4
4
3
0
0
0
9
1
4
50
53
85
93
100
78
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
4
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
None
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
3
14
8
6
2
0
0
0
1
4
7
27
35
50
8
2
12
32
19
36
30
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
18
18
17
16
15
14
12
11
10
10
9
10
10
9
10
10
10
12
13
14
15

Feels Like (°C)

16
16
16
16
16
15
14
14
12
11
10
9
9
9
7
7
7
7
7
8
9
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

74
72
70
70
74
73
77
82
83
87
90
93
95
95
90
93
93
95
95
93
95
95
93
92

Pressure (mb)

1015
1014
1014
1013
1013
1013
1013
1012
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1009

Ozone (du)

391
391
391
391
391
394
396
397
398
399
400
401
402
402
400
401
401
400
399
397
396
397
397
400

Wednesday 22

Waxing Gibbous 97%

19:02

04:02

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: 04:56, Set: 20:59, Transit: 12:58. Moon - Rise: 19:02, Set: 04:02. Civil Dark: 21:43 - 04:12. Nautical Dark: 22:46 - 03:08. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
82
94

Low Clouds (% Sky Obscured)

98
100
95
98
79
68
54
27
23
38
47
47
38
39
51
70
84
88
88
85
87
83
75
84

Medium Clouds (% Sky Obscured)

77
69
100
100
92
98
96
94
97
96
88
84
78
95
89
77
59
55
55
60
55
50
50
50

High Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
74
100
48
48
40

ISS Passover

Visibility (miles)

9
9
9
9
9
8
5
9
9
6
3
3
2
2
2
7
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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

8
12
20
31
38
40
38
29
20
10
14
21
25
15
11
4
3
9
17
32
39
57
83
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.9

Wind Speed/Direction (mph)

7
7
6
5
5
5
6
5
3
3
3
3
3
4
4
4
4
4
5
7
8
9
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
87
89
92
95
95
96
98
98
98
100
100
100
100
100
100
98
98
98
96
95
90
90
76

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

400
398
397
395
393
393
394
393
396
397
396
398
401
403
405
407
408
406
405
404
404
404
404
403

Thursday 23

Full Moon 100%

20:20

04:21

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: 04:55, Set: 21:01, Transit: 12:58. Moon - Rise: 20:20, Set: 04:21. Civil Dark: 21:45 - 04:10. Nautical Dark: 22:49 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
98
93
99
97
100
84
96
99
100
100
100
100
100
100
100
100
92
78
61
81
86
88
95

Low Clouds (% Sky Obscured)

80
63
58
70
73
76
61
75
83
89
93
96
100
100
100
100
100
93
84
74
87
89
92
96

Medium Clouds (% Sky Obscured)

50
50
50
55
60
70
70
75
75
75
75
80
75
71
71
66
66
67
62
61
60
55
60
60

High Clouds (% Sky Obscured)

40
45
50
50
50
60
60
50
39
22
20
16
14
17
21
30
35
35
40
40
35
25
17
11

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
88
56
83
71
26
48
59
68
65
50

Precipitation Amount (mm)

0.9
1
1.3
2
2.5
2.9
2.7
1
1.2
1.4
1.5
1.1
1.5
1
0.4
0
0.4
0.3
0
0
0
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
15
15
15
15
14
14
14
13
13
13
14
13
13
13
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
79
75
74
82
82
84
86
87
89
87
87
90
89
89
84
84
84
92
90
83
80
76
74

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

400
399
397
393
390
387
386
384
382
376
370
366
364
361
359
359
360
362
365
367
367
368
370
374

Friday 24

Waning Gibbous 100%

21:41

04:47

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

Sun - Rise: 04:54, Set: 21:02, Transit: 12:58. Moon - Rise: 21:41, Set: 04:47. Civil Dark: 21:47 - 04:09. Nautical Dark: 22:51 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
98
98
98
98
70
47
42
37
35
36
34
38
43
42
40

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
97
96
96
97
97
71
52
47
47
47
44
42
44
43
39
40

Medium Clouds (% Sky Obscured)

60
60
55
50
48
45
43
39
44
45
42
35
30
20
9
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
6
61
65
55
50
45
50
50
45
45
40
5
3
2
2
0
0
1
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 (%)

30
34
33
15
22
22
18
15
23
4
6
4
1
2
2
0
3
3
0
0
3
2
8
20

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
78
79
77
79
82
83
86
87
89
87
86
84
86
89
92
93
95
93
87
79
71
66
63

Pressure (mb)

1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1014
1014
1015
1015
1015
1015
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

376
377
376
375
374
372
371
371
371
371
371
372
372
373
374
374
375
375
378
380
383
383
380
381

Saturday 25

Waning Gibbous 98%

22:57

05:27

12 Bad
13 Bad
14 OK
15 OK
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: 04:53, Set: 21:03, Transit: 12:58. Moon - Rise: 22:57, Set: 05:27. Civil Dark: 21:48 - 04:07. Nautical Dark: 22:53 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

42
39
36
36
46
58
63
58
61
67
76
85
95
94
93
91
77
64
50
62
80
87
95
97

Low Clouds (% Sky Obscured)

41
38
35
32
34
35
37
25
12
0
4
8
10
10
10
10
6
3
0
0
0
0
15
30

Medium Clouds (% Sky Obscured)

0
4
9
15
10
6
0
6
14
19
26
33
36
26
21
17
17
17
21
34
51
73
82
90

High Clouds (% Sky Obscured)

0
0
1
1
21
46
73
77
82
86
64
44
30
46
60
70
69
69
69
74
75
80
89
87

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
7
6
4
11
13
12
11
9
1
1
0
0
0
0
0
0
0
0
0
0
0
9
11

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

Chance of Frost

Temperature (°C)

18
18
19
19
19
18
18
17
16
14
13
12
11
10
10
9
9
9
10
11
12
14
16
17

Feels Like (°C)

17
17
17
17
17
17
17
17
14
15
15
14
13
12
8
7
7
7
6
6
10
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

61
58
57
58
57
63
70
76
80
86
90
92
90
91
90
88
85
85
85
84
83
80
79
76

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

379
377
374
371
368
366
365
364
364
364
365
363
362
361
360
358
357
356
356
355
356
356
357
359

Sunday 26

Waning Gibbous 93%

00:01

06:23

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: 04:51, Set: 21:05, Transit: 12:59. Moon - Rise: 00:01, Set: 06:23. Civil Dark: 21:50 - 04:06. Nautical Dark: 22:56 - 02:59. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
96
92
89
89
89
90
93
96
99
100
100
100
100
100
100
100
100
100
100
100
100
97
94

Low Clouds (% Sky Obscured)

43
40
35
28
30
31
33
43
53
59
56
59
63
66
69
75
77
81
85
88
94
99
90
81

Medium Clouds (% Sky Obscured)

95
88
83
77
82
81
80
76
73
71
76
82
87
91
96
100
100
100
100
96
91
88
85
82

High Clouds (% Sky Obscured)

91
86
80
71
54
46
45
56
70
75
73
82
94
95
94
92
94
97
100
98
95
93
82
72

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

7
12
13
12
11
9
3
6
5
2
21
32
41
46
50
55
64
72
80
91
95
94
76
59

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.6
0.7
0.6
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
19
20
20
19
18
17
17
16
16
15
15
14
14
14
14
14
14
14
14
14
14
15

Feels Like (°C)

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

Dew Point (°C)

13
14
13
13
13
13
13
13
13
13
13
13
13
14
13
13
13
13
13
13
13
14
14
14

Relative Humidity (%)

73
72
69
67
65
69
72
76
77
81
82
86
90
95
95
95
95
95
95
95
95
96
96
93

Pressure (mb)

1017
1017
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

361
363
362
362
362
361
360
359
358
357
356
358
359
360
361
363
364
367
369
371
375
378
381
384

Forecast for Stewartby, Bedford, United Kingdom (52.07,-0.51)

Generated: 20/05/24 02:04:05. Forecast: 20/05/24 to 26/05/24. Timezone: UTC+1.00