Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 42%

10:57

02:06

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

Sun - Rise: 04:57, Set: 21:01, Transit: 12:59. Moon - Rise: 10:57, 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)

36
33
50
25
45
14
16
10
4
6
43
81
86
100
100
100
100
92
78
72
70
68
60
47

Low Clouds (% Sky Obscured)

0
0
6
7
9
0
0
0
0
0
0
0
0
42
37
37
32
12
0
0
0
0
24
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
17
18
29
41
25
71
91
74
61
72
70
68
60
47

High Clouds (% Sky Obscured)

36
33
50
25
45
14
16
10
4
6
43
75
79
100
100
100
100
55
56
15
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
4
9
7
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
Light Rain
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
54
48
62
53
46
32
4
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
12
14
14
14
13
12
12
11
8
7
7
7
6
5
6
5
5
4
4
2
3
3

Chance of Frost

Temperature (°C)

21
23
24
25
25
26
26
25
24
24
22
20
19
18
18
17
17
16
16
16
16
17
18
19

Feels Like (°C)

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

Dew Point (°C)

16
17
18
18
18
19
19
19
19
19
19
18
17
17
17
16
16
15
15
15
15
15
15
16

Relative Humidity (%)

73
69
68
65
64
64
67
69
71
75
83
86
89
90
92
92
95
93
93
93
93
89
86
81

Pressure (mb)

1025
1024
1024
1024
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1027
1027

Ozone (du)

343
342
341
341
341
340
340
338
337
336
335
333
332
333
334
334
337
341
348
360
354
350
349
346

Saturday 23

First Quarter 53%

12:21

02:19

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

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)

47
52
48
39
71
95
95
75
68
79
93
94
98
98
96
53
40
16
3
5
31
16
1
1

Low Clouds (% Sky Obscured)

33
38
40
36
42
36
50
39
35
36
32
21
6
2
0
3
8
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

23
19
10
0
0
1
3
2
0
0
0
0
0
0
3
9
10
6
0
2
2
0
0
1

High Clouds (% Sky Obscured)

0
4
4
39
69
63
62
36
58
48
67
60
72
79
61
33
13
5
3
5
22
13
1
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)

4
4
4
4
4
5
6
6
5
4
4
2
2
2
2
2
1
2
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
24
25
26
26
25
26
26
27
26
25
23
22
20
19
20
19
19
17
17
17
19
22
24

Dew Point (°C)

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

Relative Humidity (%)

75
70
67
63
63
62
62
62
67
76
81
85
86
86
90
92
92
92
92
92
93
89
86
80

Pressure (mb)

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

Ozone (du)

342
339
337
334
331
329
328
328
326
323
323
322
323
324
325
325
324
323
324
324
324
324
325
322

Sunday 24

Waxing Gibbous 64%

13:40

02:30

10 Good
11 OK
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
07 Good
08 Good
09 Good

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)

3
25
23
20
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
25
23
20
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
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
2
2
2
1
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 (%)

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)

1
1
1
2
3
3
3
3
3
3
3
2
3
4
4
3
3
3
3
3
3
2
3
4

Chance of Frost

Temperature (°C)

22
24
26
27
27
28
28
28
28
27
26
24
22
20
19
19
18
17
17
16
17
19
21
23

Feels Like (°C)

26
28
29
30
30
31
31
32
31
32
30
28
25
23
22
21
20
20
19
19
20
22
25
27

Dew Point (°C)

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

Relative Humidity (%)

73
68
63
59
57
57
58
60
63
74
76
80
84
88
91
90
89
89
89
90
89
85
81
76

Pressure (mb)

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

Ozone (du)

322
321
321
320
320
321
321
321
320
319
318
319
319
320
321
322
322
323
323
319
317
317
319
320

Monday 25

Waxing Gibbous 74%

14:55

02:40

10 Good
11 Good
12 Good
13 Good
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
07 Good
08 Good
09 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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low 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

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
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 (%)

0
0
0
0
0
0
0
0
1
1
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
5
5
6
6
6
5
5
5
6
6
6
5
4
4
3
3
3
3
2
2
2
3
3

Chance of Frost

Temperature (°C)

25
26
28
29
29
30
30
30
30
29
26
24
22
21
20
19
19
18
17
17
18
19
21
23

Feels Like (°C)

29
30
31
32
32
33
33
34
35
33
30
26
24
24
23
22
22
21
20
20
21
22
25
27

Dew Point (°C)

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

Relative Humidity (%)

73
68
63
59
55
52
50
50
59
74
83
85
87
85
86
88
89
89
90
89
89
82
77
73

Pressure (mb)

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

Ozone (du)

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

Tuesday 26

Waxing Gibbous 82%

16:10

02:51

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

Sun - Rise: 04:52, Set: 21:06, Transit: 13:00. Moon - Rise: 16:10, Set: 02:51. Civil Dark: 21:51 - 04:07. Nautical Dark: 22:57 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
6
11
16
21
31
52
50
40
38
45
39
29
3
2
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
0
2
4
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
3
8
12
18
20
24
39
40
34
34
24
8
3
2
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
9
25
25
25
16
14
12
11
3
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
5
5
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
3
9
13
29
28
20
37
58
59
39
13
8
20
26
30
26
21
8
9
7
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
27
28
29
30
31
31
30
29
28
26
25
23
21
20
18
17
15
14
15
15
16
17
19

Feels Like (°C)

29
30
32
33
34
34
35
32
30
30
28
25
22
19
18
16
15
14
14
13
13
13
15
17

Dew Point (°C)

19
20
20
20
21
21
21
24
27
26
25
24
23
20
19
17
15
14
13
13
13
14
14
15

Relative Humidity (%)

68
64
60
58
56
55
56
68
87
88
91
94
97
95
93
92
92
93
93
92
90
87
81
75

Pressure (mb)

1029
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

326
327
328
328
328
330
331
330
330
329
328
326
325
325
326
326
326
325
325
325
325
325
325
326

Wednesday 27

Waxing Gibbous 89%

17:24

03:04

10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 OK
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

Sun - Rise: 04:51, Set: 21:07, Transit: 13:00. Moon - Rise: 17:24, Set: 03:04. Civil Dark: 21:53 - 04:06. Nautical Dark: 23:00 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
5
5
5
5
10
26
55
67
77
87
98
87
79
72
72
76
80
87
93
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
5
10
10
0
5
5
5
4
0
0
0
0
0
0
0
5
5
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
4
6
3
1
0
6
18
31
32
34
36
25
13
4

High Clouds (% Sky Obscured)

0
4
5
4
2
2
14
30
48
65
80
95
79
64
48
35
22
11
40
70
100
98
89
79

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

Chance of Frost

Temperature (°C)

21
23
24
26
26
27
27
27
26
25
23
21
19
18
17
16
15
15
15
16
17
17
19
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
67
65
63
63
64
64
67
70
73
71
69
66
66
65
64
61
58
56
60
62
65
65
66

Pressure (mb)

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

Ozone (du)

327
327
327
327
328
329
329
331
333
334
333
333
332
331
330
329
330
331
332
333
334
335
337
339

Thursday 28

Waxing Gibbous 95%

18:38

03:19

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
00 Good
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 OK

Sun - Rise: 04:50, Set: 21:09, Transit: 13:00. Moon - Rise: 18:38, Set: 03:19. Civil Dark: 21:54 - 04:04. Nautical Dark: 23:02 - 02:56. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
98
97
91
87
87
87
55
25
3
21
47
71
63
53
39

Low Clouds (% Sky Obscured)

15
15
10
0
0
0
0
0
0
0
0
0
0
0
0
10
19
29
29
29
25

Medium Clouds (% Sky Obscured)

3
3
3
15
28
51
33
19
10
11
10
8
4
3
0
3
6
8
7
6
5

High Clouds (% Sky Obscured)

69
54
36
44
52
56
61
56
51
52
53
49
37
21
3
9
17
12
10
8
8

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

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

Precipitation Probability (%)

0
0
0
16
36
54
64
57
21
23
20
9
26
26
11
14
10
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
6
4
7
10
7
5
4
4
4
5
5
4
4
4
5
5
5
5

Chance of Frost

Temperature (°C)

22
24
25
27
25
24
22
22
22
22
20
18
16
15
15
15
15
14
14
15
16

Feels Like (°C)

19
19
20
21
23
20
18
19
19
20
22
21
21
19
18
17
14
13
13
13
13

Dew Point (°C)

16
17
18
20
18
15
13
14
15
16
15
13
12
11
10
10
10
10
10
11
11

Relative Humidity (%)

66
65
65
64
62
59
58
62
66
69
72
74
77
75
74
73
73
73
73
74
74

Pressure (mb)

1023
1022
1022
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

341
341
342
342
342
342
342
342
342
342
343
343
344
345
347
349
349
348
348
348
348

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

Generated: 22/05/26 10:21:45. Forecast: 22/05/26 to 28/05/26. Timezone: UTC+1.00