Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 12%

06:37

00:54

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
04 Bad

Sun - Rise: 05:02, Set: 20:58, Transit: 13:00. Moon - Rise: 06:37, Set: 00:54. Civil Dark: 21:42 - 04:17. Nautical Dark: 22:44 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
99
98
100
88
84
95
81
97
94
96
96
99
89
89
92
89
58

Low Clouds (% Sky Obscured)

87
100
100
100
66
71
54
35
64
86
65
63
59
53
54
60
63
59
62
62
85
79
68
56

Medium Clouds (% Sky Obscured)

100
98
61
48
100
98
95
86
98
99
78
38
35
41
92
30
92
94
99
43
23
36
33
0

High Clouds (% Sky Obscured)

100
55
62
100
100
94
55
59
2
70
6
57
29
12
53
57
46
52
55
3
39
0
0
0

ISS Passover

Visibility (miles)

4
5
6
5
1
0
9
6
5
4
4
4
4
9
6
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
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
91
53
40
24
24
52
65
86
87
95
87
77
58
54
14
20
4
4
18
29
10
17
32

Precipitation Amount (mm)

1.5
0.6
0
0
0
0
0.2
0.3
0.6
0.5
1
0.6
0.5
0.2
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
98
98
93
82
79
83
86
89
89
89
90
89
90
92
93
95
95
93
93
91

Pressure (mb)

1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1008
1009
1009
1009
1009
1010
1010
1011

Ozone (du)

389
390
387
384
383
383
382
381
383
385
383
385
390
389
392
389
391
396
395
395
393
390
385
377

Wednesday 20

Waxing Crescent 21%

07:59

01:29

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 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 04:59, Set: 21:00, Transit: 13:00. Moon - Rise: 07:59, Set: 01:29. Civil Dark: 21:44 - 04:15. Nautical Dark: 22:46 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

64
88
69
72
57
78
45
88
97
70
96
97
100
95
40
100
100
36
28
100
100
100
100
98

Low Clouds (% Sky Obscured)

59
53
46
70
53
56
12
62
93
49
92
67
64
38
40
28
0
0
0
0
0
22
32
56

Medium Clouds (% Sky Obscured)

5
36
18
3
17
24
12
32
46
34
45
55
58
5
0
0
0
0
0
3
19
72
71
93

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
6
10
33
71
54
51
40
95
59
23
16
61
100
100
100
88

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
7
9
9
9
7
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 (%)

3
14
0
3
20
27
41
37
27
21
9
26
28
19
3
0
1
0
0
0
0
1
2
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)

13
12
13
15
16
17
17
17
18
19
18
16
15
15
14
13
11
10
10
9
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
92
86
76
74
79
76
65
65
72
76
83
83
87
90
95
95
93
93
96
98
98

Pressure (mb)

1011
1012
1013
1014
1014
1015
1016
1016
1017
1017
1018
1018
1019
1020
1020
1021
1022
1023
1023
1023
1023
1024
1024
1024

Ozone (du)

373
372
372
371
371
368
359
356
352
349
347
345
345
343
342
343
343
342
342
343
341
339
340
340

Thursday 21

Waxing Crescent 31%

09:29

01:51

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 OK
03 OK
04 OK

Sun - Rise: 04:58, Set: 21:01, Transit: 13:00. Moon - Rise: 09:29, Set: 01:51. Civil Dark: 21:46 - 04:14. Nautical Dark: 22:49 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
77
72
93
97
100
99
96
96
96
77
72
75
64
81
89
99
77
92
57
44
28
21
18

Low Clouds (% Sky Obscured)

57
46
39
46
62
85
79
87
85
90
52
44
41
19
22
16
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

95
32
24
55
25
54
50
23
30
19
13
7
7
7
8
21
32
25
32
26
25
21
20
18

High Clouds (% Sky Obscured)

49
56
58
52
91
100
90
40
35
40
40
39
36
22
72
75
98
73
54
33
22
12
2
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
1
0
4
1
2
5
17
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
9
9
10
11
12
12
12
11
11
11
10
8
8
7
6
5
5
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
11
11
12
14
16
17
19
18
20
20
21
20
20
19
17
14
13
12
13
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

96
93
92
86
80
76
76
75
74
73
75
77
80
81
81
88
93
92
90
92
92
93
93
91

Pressure (mb)

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

Ozone (du)

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

Friday 22

Waxing Crescent 42%

10:57

02:08

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

Sun - Rise: 04:57, Set: 21:03, Transit: 13:00. Moon - Rise: 10:57, Set: 02:08. Civil Dark: 21:47 - 04:12. Nautical Dark: 22:51 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

14
13
11
14
13
15
15
24
20
33
66
28
40
41
46
50
53
73
86
96
99
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
4
7
12
18
25
16
8
0
0
0
0
0
1
1
0
24
25
16

Medium Clouds (% Sky Obscured)

14
13
11
10
11
7
4
0
1
5
6
7
36
41
46
38
27
44
65
87
77
76
67
43

High Clouds (% Sky Obscured)

1
2
2
2
2
5
9
14
11
14
26
10
14
41
31
46
30
63
77
80
96
100
84
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
5

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

Chance of Frost

Temperature (°C)

11
12
13
15
18
20
21
22
23
24
24
24
24
23
22
21
19
18
17
16
15
15
15
15

Feels Like (°C)

11
12
14
16
18
19
21
22
23
23
24
23
24
23
22
21
18
17
16
15
14
13
14
14

Dew Point (°C)

10
10
11
13
14
15
16
16
17
17
17
18
19
19
19
18
18
17
16
15
14
14
13
13

Relative Humidity (%)

93
92
90
83
79
76
74
69
65
65
65
67
72
77
79
85
92
93
95
93
95
93
89
87

Pressure (mb)

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

Ozone (du)

342
344
345
345
344
344
344
343
342
341
341
340
340
340
340
339
338
338
338
340
340
340
343
345

Saturday 23

First Quarter 53%

12:21

02:20

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

Sun - Rise: 04:56, Set: 21:04, Transit: 13:00. Moon - Rise: 12:21, Set: 02:20. Civil Dark: 21:49 - 04:11. Nautical Dark: 22:54 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
88
72
72
76
78
72
66
37
29
31
52
88
69
44
18
41
63
85
77

Low Clouds (% Sky Obscured)

6
9
0
0
0
1
5
11
21
28
34
27
18
14
23
21
19
18
18
18
27
33
37
30

Medium Clouds (% Sky Obscured)

72
76
78
88
97
81
41
40
41
38
36
35
36
29
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
60
30
0
0
0
0
1
1
1
25
48
72
56
34
12
25
37
48
44

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 (%)

18
24
26
25
2
8
12
26
24
13
11
11
11
2
12
6
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
3
2
4
4
3
3
5
5
6
9
9
9
9
6
5
4
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

15
15
16
17
19
20
21
22
23
23
23
24
22
21
20
18
17
16
15
14
13
13
12
12

Feels Like (°C)

14
15
16
18
19
20
22
24
23
23
24
24
22
23
21
21
20
20
19
18
17
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
88
85
82
75
72
70
68
65
66
75
75
77
80
83
86
86
87
87
87
87
86

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1028
1029
1029
1029
1030
1030
1030
1030
1031

Ozone (du)

345
349
352
358
364
363
352
347
343
342
340
338
337
335
333
331
329
327
326
325
324
323
322
321

Sunday 24

Waxing Gibbous 64%

13:40

02:31

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

Sun - Rise: 04:54, Set: 21:06, Transit: 13:01. Moon - Rise: 13:40, Set: 02:31. Civil Dark: 21:51 - 04:09. Nautical Dark: 22:56 - 03:03. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

67
60
57
55
56
52
47
38
38
37
37
26
15
6
10
12
9
8
6
3
19
37
55
59

Low Clouds (% Sky Obscured)

22
25
30
33
36
34
31
26
25
23
23
18
9
2
1
0
0
0
0
0
19
37
55
59

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)

45
43
39
34
25
20
12
8
6
9
8
10
10
6
6
7
4
3
2
1
4
6
9
7

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
1
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)

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

Chance of Frost

Temperature (°C)

12
13
14
15
17
19
20
21
22
22
23
23
22
22
21
20
18
16
15
14
13
13
12
12

Feels Like (°C)

13
12
13
15
16
16
17
18
18
25
24
23
23
24
25
22
21
21
20
19
18
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

86
84
83
79
76
72
70
68
65
63
62
60
65
70
76
77
78
78
79
80
80
83
83
84

Pressure (mb)

1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032

Ozone (du)

320
320
319
320
320
321
321
321
322
321
321
320
320
319
319
318
318
317
317
317
317
316
316
315

Monday 25

Waxing Gibbous 74%

14:57

02:41

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

Sun - Rise: 04:53, Set: 21:07, Transit: 13:01. Moon - Rise: 14:57, Set: 02:41. Civil Dark: 21:52 - 04:08. Nautical Dark: 22:58 - 03:01. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

60
65
64
62
56
46
35
24
21
24
29
46
60
67
42
16
1
1
2
2

Low Clouds (% Sky Obscured)

60
65
64
62
56
46
35
24
20
17
19
32
44
55
42
16
1
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

High Clouds (% Sky Obscured)

6
4
3
3
3
2
1
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

Fog (%)

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

Precipitation Probability (%)

0
0
1
0
2
5
9
9
10
9
8
8
9
11
9
6
2
4
3
0

Precipitation Amount (mm)

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
3
4
4
4
4
4
4
5
5
4
4
3
4
5
5
5
5

Chance of Frost

Temperature (°C)

12
13
13
14
16
17
18
20
21
22
22
23
23
23
22
20
18
17
16
15

Feels Like (°C)

14
13
12
16
16
17
18
19
20
26
26
26
26
26
26
23
23
23
23
21

Dew Point (°C)

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

Relative Humidity (%)

83
83
80
78
74
73
70
67
64
64
64
63
67
71
75
80
83
89
86
83

Pressure (mb)

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

Ozone (du)

315
315
314
315
315
315
315
315
314
314
314
314
313
312
312
311
311
310
311
311

Forecast for Nether Heyford, Northamptonshire, United Kingdom (52.22,-1.04)

Generated: 19/05/26 05:06:31. Forecast: 19/05/26 to 25/05/26. Timezone: UTC+1.00