Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 28

Waxing Gibbous 95%

18:38

03:19

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: 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)

81
73
96
97
47
93
55
100
100
100
97
100
100
100
100
100
100
98
100
100
98
57
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
15
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

36
31
20
25
25
0
0
0
0
67
94
61
86
52
100
100
97
84
95
41
11
33
45
16

High Clouds (% Sky Obscured)

29
73
96
66
9
73
45
94
100
100
94
94
100
100
87
88
83
72
100
100
98
57
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

65
4
0
54
13
7
1
3
0
0
0
0
0
2
2
6
1
4
0
0
1
0
0
13

Precipitation Amount (mm)

0.4
0.4
0
0.2
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
9
10
12
11
11
11
11
12
11
12
12
12
9
7
7
7
8
8
8
7
6
6

Chance of Frost

Temperature (°C)

13
14
15
17
19
22
24
26
28
29
29
29
28
27
25
24
22
22
22
22
20
18
17
16

Feels Like (°C)

11
12
13
16
19
22
25
26
27
27
28
28
28
27
25
24
22
21
21
21
19
17
16
15

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
92
85
78
72
69
64
61
62
65
68
73
77
80
83
81
83
81
84
92
95
95

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021

Ozone (du)

332
332
335
336
337
339
340
338
338
336
331
331
329
328
326
328
334
333
331
330
329
327
327
328

Friday 29

Waxing Gibbous 98%

19:53

03:39

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

Sun - Rise: 04:49, Set: 21:10, Transit: 13:00. Moon - Rise: 19:53, Set: 03:39. Civil Dark: 21:56 - 04:03. Nautical Dark: 23:04 - 02:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
100
46
27
10
0
14
0
1
13
31
52
66
45

Low Clouds (% Sky Obscured)

0
0
0
16
0
11
0
0
0
0
0
0
0
0
0
0
14
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

71
89
100
100
100
85
100
100
100
92
62
27
18
17
7
0
0
0
0
7
19
36
37
21

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
100
46
18
0
0
0
0
1
2
4
21
41
45

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 (%)

9
24
18
22
38
5
2
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)

5
4
4
5
6
6
5
5
8
8
7
8
8
6
5
4
4
4
3
3
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
16
16
17
17
18
20
20
20
21
21
22
22
23
23
21
19
17
16
15
14
12
11

Dew Point (°C)

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

Relative Humidity (%)

96
93
86
81
78
76
74
73
67
60
58
57
59
66
71
76
80
85
86
83
83
84
87
89

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

326
325
324
325
325
325
325
325
326
329
331
334
337
339
339
340
340
336
335
334
334
334
334
333

Saturday 30

Waxing Gibbous 100%

21:05

04:07

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 04:49, Set: 21:11, Transit: 13:00. Moon - Rise: 21:05, Set: 04:07. Civil Dark: 21:57 - 04:02. Nautical Dark: 23:06 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

87
84
82
100
100
96
62
98
87
100
32
86
60
100
100
100
100
96
67
75
70
65
67
67

Low Clouds (% Sky Obscured)

12
30
26
5
0
3
17
28
27
20
22
3
0
0
2
0
5
5
0
45
51
59
60
55

Medium Clouds (% Sky Obscured)

30
6
26
0
0
2
28
43
6
65
9
86
60
70
68
90
63
41
29
27
26
28
25
35

High Clouds (% Sky Obscured)

75
79
73
100
100
87
32
75
62
81
8
35
35
95
100
100
84
45
40
35
23
50
67
67

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
2
3
3
8
5
13
5
2
1
1
0
2

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
3
4
4
4
5
5
6
5
6
6
8
7
6
5
5
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
14
16
18
20
21
23
23
25
23
26
23
23
22
20
18
16
14
13
12
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

92
89
86
79
73
68
64
60
57
56
55
55
62
67
73
80
81
76
74
86
92
89
86
87

Pressure (mb)

1022
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

334
335
334
336
337
336
336
337
336
334
333
332
334
337
338
343
347
353
357
363
370
370
370
370

Sunday 31

Full Moon 99%

22:11

04:45

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 04:48, Set: 21:12, Transit: 13:00. Moon - Rise: 22:11, Set: 04:45. Civil Dark: 21:59 - 04:01. Nautical Dark: 23:08 - 02:51. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
93
100
84
100
99
99
98
92
88
71
82
33
46
55
61
61
68
72
80
85
85
82
89

Low Clouds (% Sky Obscured)

55
59
70
47
51
58
50
40
40
37
40
51
33
46
55
42
27
36
41
47
53
63
70
71

Medium Clouds (% Sky Obscured)

45
60
55
53
44
42
39
41
72
40
27
24
25
30
32
39
42
48
47
50
45
45
36
28

High Clouds (% Sky Obscured)

79
85
86
84
100
95
95
93
67
41
0
0
0
0
0
0
0
18
43
70
80
85
82
89

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 (%)

2
2
1
0
0
12
9
3
3
5
12
4
6
17
16
9
1
0
0
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
83
80
72
72
74
70
71
70
64
63
67
67
76
82
90
93
95
95
95
95
95
95

Pressure (mb)

1015
1016
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016

Ozone (du)

365
359
357
353
352
351
350
351
354
361
364
361
350
342
339
338
339
339
339
338
337
336
334
332

Monday 1

Waning Gibbous 97%

23:06

No Set

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: 04:47, Set: 21:13, Transit: 13:01. Moon - Rise: 23:06, Set: No Set. Civil Dark: 22:00 - 04:00. Nautical Dark: 23:10 - 02:49. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
97
100
100
94
100
100
100
100
100
100
100
100
100
99
97
95
93
91
90
94
97
100
100

Low Clouds (% Sky Obscured)

72
71
69
75
73
79
78
84
81
76
73
73
70
69
49
49
50
55
61
67
68
69
71
73

Medium Clouds (% Sky Obscured)

38
44
53
52
58
68
93
99
100
100
100
83
69
57
95
93
89
88
88
85
78
76
78
78

High Clouds (% Sky Obscured)

100
96
99
99
87
100
100
100
100
100
100
100
100
100
92
85
72
55
40
30
53
77
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
6
9
6
4
1
1
0
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

1
0
10
22
46
72
95
95
95
95
87
86
83
92
80
87
87
76
82
91
86
65
34
37

Precipitation Amount (mm)

0
0
0
0
0.2
0.4
0.7
1.3
1.3
1
0.6
0.6
0.6
0.7
0.4
0.5
0.6
0.4
0.5
0.6
0.6
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
89
85
76
73
66
74
72
83
83
92
95
96
96
96
98
96
98
98
98
98
98

Pressure (mb)

1016
1015
1015
1015
1014
1014
1013
1013
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1007
1007
1006

Ozone (du)

331
332
332
333
335
336
338
338
337
337
336
337
339
343
347
350
353
356
357
359
360
363
365
367

Tuesday 2

Waning Gibbous 93%

23:48

05:36

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: 04:46, Set: 21:14, Transit: 13:01. Moon - Rise: 23:48, Set: 05:36. Civil Dark: 22:01 - 03:59. Nautical Dark: 23:12 - 02:47. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
97
92
84
78
69
73
77
88
84
80
74
83
92
96
96
95
95
85
75
70
78

Low Clouds (% Sky Obscured)

75
76
66
58
49
50
50
50
45
39
35
25
15
6
29
52
76
75
82
85
85
75
66
72

Medium Clouds (% Sky Obscured)

69
50
39
24
19
17
15
16
29
42
65
65
56
48
50
41
45
33
27
25
21
19
11
11

High Clouds (% Sky Obscured)

100
100
68
36
3
2
1
0
0
0
0
0
1
1
20
40
59
40
20
0
0
0
0
0

ISS Passover

Visibility (miles)

3
6
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

47
59
62
59
53
45
40
42
44
43
42
39
33
30
29
28
37
59
73
87
80
64
52
61

Precipitation Amount (mm)

0
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.5
0.4
0.2
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
87
79
72
68
63
59
63
66
69
73
78
83
87
90
95
93
93
92
93
93
95

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1004
1003
1002
1001
1000

Ozone (du)

371
374
377
380
382
385
386
387
387
383
379
374
368
363
357
356
354
352
350
349
347
346
345
344

Wednesday 3

Waning Gibbous 88%

00:19

06:39

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

Sun - Rise: 04:46, Set: 21:15, Transit: 13:01. Moon - Rise: 00:19, Set: 06:39. Civil Dark: 22:02 - 03:58. Nautical Dark: 23:14 - 02:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
81
87
89
91
95
93
94
94
95
98
83
67
51
46
52
58
57
61
52

Low Clouds (% Sky Obscured)

77
81
79
74
69
67
71
76
75
75
78
74
64
51
45
37
29
23
23
19

Medium Clouds (% Sky Obscured)

14
14
15
16
23
22
21
23
29
31
33
21
10
0
8
21
32
34
32
33

High Clouds (% Sky Obscured)

0
0
15
37
60
40
22
0
3
6
9
4
1
0
0
0
0
19
35
31

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

72
82
79
71
72
63
52
42
44
44
44
40
41
45
36
29
23
19
12
0

Precipitation Amount (mm)

0.4
0.6
0.6
0.5
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
15
15
17
19
18
17
16
15
15
14
13
13
13
13
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
92
82
73
65
73
82
92
92
93
96
87
82
77
76
78
80
84
90

Pressure (mb)

999
998
998
999
1000
1001
1001
1002
1003
1003
1003
1003
1003
1002
1002
1003
1003
1003
1003
1003

Ozone (du)

344
344
345
343
342
341
341
340
339
342
345
347
354
361
369
374
379
385
383
382

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

Generated: 28/05/26 05:58:49. Forecast: 28/05/26 to 03/06/26. Timezone: UTC+1.00