Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

First Quarter 61%

15:40

23:03

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

Sun - Rise: 07:33, Set: 17:58, Transit: 12:45. Moon - Rise: 15:40, Set: 23:03. Civil Dark: 18:32 - 06:59. Nautical Dark: 19:11 - 06:20. Astro Dark: 19:50 - 05:41

Total Clouds (% Sky Obscured)

48
65
68
97
89
99
96
94
92
97
60
49
55
54
57
56
64
70
100
57
85
75
94
97

Low Clouds (% Sky Obscured)

48
65
68
73
62
88
92
91
78
95
39
36
32
31
34
35
46
37
23
19
33
68
81
68

Medium Clouds (% Sky Obscured)

48
25
59
82
77
84
71
31
27
22
12
0
18
19
16
8
50
23
54
57
25
20
44
41

High Clouds (% Sky Obscured)

0
1
0
11
0
0
0
0
0
0
0
0
0
0
0
8
30
39
100
37
71
46
35
86

ISS Passover

Visibility (miles)

2
9
9
7
9
9
8
6
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
None
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

85
42
49
52
29
47
71
53
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

0.7
0
0
0
0
0
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
8
7
6
5
5
5
3
4
5
5
5
7
7
7
7
8
8
8
7
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
84
85
91
90
91
90
90
87
85
87
90
84
73
63
57
56
57
56
59
65
75
78
84

Pressure (mb)

1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1024
1023
1023
1023
1022
1022

Ozone (du)

287
293
291
289
290
287
286
288
287
281
281
280
280
280
280
280
281
282
282
281
280
279
279
278

Monday 19

Waxing Gibbous 70%

15:56

00:17

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

Sun - Rise: 07:34, Set: 17:56, Transit: 12:45. Moon - Rise: 15:56, Set: 00:17. Civil Dark: 18:30 - 07:00. Nautical Dark: 19:09 - 06:21. Astro Dark: 19:48 - 05:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
98
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

99
100
100
100
100
96
88
43
80
91
88
96
95
92
94
94
95
95
94
94
93
94
96
94

Medium Clouds (% Sky Obscured)

38
38
77
84
72
90
97
99
96
92
94
96
100
100
100
100
99
41
43
43
43
46
49
40

High Clouds (% Sky Obscured)

100
90
51
50
90
100
100
91
100
92
67
95
100
100
100
61
50
97
100
100
100
100
6
39

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
4
2
2
4
9
9
9
9
9
9
4
8

Fog (%)

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

Precipitation Probability (%)

5
12
26
35
47
48
36
28
26
21
44
89
95
95
95
95
74
76
69
68
70
71
83
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.6
1.1
1.8
1.6
0.7
0.4
0.4
0.2
0.3
0.4
0.3
1
0

Wind Speed/Direction (mph)

3
4
5
5
6
7
8
9
8
9
10
10
9
9
9
8
7
6
5
4
4
2
2
6

Chance of Frost

Temperature (°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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
91
95
93
87
84
86
87
87
86
86
90
92
92
93
92
92
91
91
93
95
95
93

Pressure (mb)

1021
1020
1019
1018
1017
1017
1015
1014
1013
1012
1011
1011
1010
1009
1008
1007
1007
1006
1005
1004
1004
1003
1003
1003

Ozone (du)

278
278
278
278
277
277
277
277
279
281
281
282
283
282
283
285
286
286
286
284
286
287
290
294

Tuesday 20

Waxing Gibbous 67%

16:10

01:33

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

Sun - Rise: 07:36, Set: 17:54, Transit: 12:45. Moon - Rise: 16:10, Set: 01:33. Civil Dark: 18:28 - 07:02. Nautical Dark: 19:07 - 06:23. Astro Dark: 19:46 - 05:44

Total Clouds (% Sky Obscured)

97
96
46
3
37
5
57
94
98
80
99
100
100
99
94
79
89
63
36
31
21
43
31
37

Low Clouds (% Sky Obscured)

96
90
19
0
6
3
28
69
71
56
32
97
98
77
88
74
78
50
35
31
21
20
20
22

Medium Clouds (% Sky Obscured)

30
25
18
3
5
4
57
94
26
42
75
30
30
68
59
61
49
46
13
0
0
37
15
19

High Clouds (% Sky Obscured)

0
0
0
0
25
0
0
36
35
11
45
60
65
48
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
3
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
1
0
0
1
7
29
47
48
9
31
95
95
95
45
27
26
21
21
17
14
9
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
1.2
1.7
1.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
8
7
7
7
8
9
10
11
13
11
16
18
18
20
19
19
17
16
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
9
8
6
6
4
4
5
5
3
3
2
2
2
3
4
4
5
6
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

88
81
84
87
85
81
81
87
90
91
78
82
85
85
82
74
67
67
64
61
65
69
74
75

Pressure (mb)

1004
1004
1003
1003
1002
1002
1001
1000
999
998
997
996
996
998
1000
1001
1002
1003
1004
1005
1005
1006
1007
1007

Ozone (du)

300
310
311
300
286
287
287
291
293
297
301
300
303
303
305
304
303
304
303
304
306
308
309
306

Wednesday 21

Waxing Gibbous 79%

16:22

02:49

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

Sun - Rise: 07:38, Set: 17:52, Transit: 12:45. Moon - Rise: 16:22, Set: 02:49. Civil Dark: 18:26 - 07:04. Nautical Dark: 19:05 - 06:24. Astro Dark: 19:44 - 05:46

Total Clouds (% Sky Obscured)

77
77
93
98
93
87
79
80
82
83
73
84
40
51
35
38
56
70
81
100
88
99
100
100

Low Clouds (% Sky Obscured)

56
27
70
42
39
44
74
60
77
83
71
82
40
51
35
38
37
32
27
14
24
33
33
64

Medium Clouds (% Sky Obscured)

77
71
92
94
90
82
17
70
68
65
3
54
3
3
0
0
15
27
40
99
47
44
98
99

High Clouds (% Sky Obscured)

0
31
22
9
35
31
0
2
45
50
0
0
0
0
3
3
3
3
2
25
64
98
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
4
9
6
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

5
36
61
41
34
45
20
24
71
52
41
22
17
15
14
1
0
14
1
2
7
8
31
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

13
12
12
10
12
12
12
11
11
11
11
11
12
13
13
14
14
12
11
10
8
6
6
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
5
5
5
5
5
5
5
6
6
6
8
8
9
10
10
11
11
10
11
10
9

Dew Point (°C)

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

Relative Humidity (%)

77
78
80
90
88
90
87
84
87
93
90
90
87
83
79
70
62
59
59
61
66
72
73
73

Pressure (mb)

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

Ozone (du)

308
307
306
307
308
309
311
313
313
310
312
314
314
312
311
309
307
304
302
299
298
296
296
294

Thursday 22

Waxing Gibbous 87%

16:33

04:06

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

Sun - Rise: 07:40, Set: 17:50, Transit: 12:45. Moon - Rise: 16:33, Set: 04:06. Civil Dark: 18:24 - 07:05. Nautical Dark: 19:03 - 06:26. Astro Dark: 19:42 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
93
90
91
95
97
98
98
44
40
41
41
40
42
38
32
29

Low Clouds (% Sky Obscured)

84
88
90
92
94
96
97
95
93
90
91
94
95
91
44
44
40
41
39
30
21
12
10
8

Medium Clouds (% Sky Obscured)

100
99
98
97
98
99
100
87
16
3
47
23
89
93
82
23
25
27
30
31
38
38
32
29

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
93
90
80
65
55
0
53
56
11
12
14
21
13
8
0
0
0

ISS Passover

Visibility (miles)

5
2
9
7
3
2
2
8
8
9
3
9
2
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
40
27
17
55
71
89
80
59
27
18
13

Precipitation Amount (mm)

1.1
1
0.3
0.6
1.5
2.6
2.1
1
0.8
1
0.7
0.6
1.2
0
0
0
0.2
0.5
0.9
0.6
0.2
0
0
0

Wind Speed/Direction (mph)

9
7
9
10
16
17
20
22
23
23
19
26
24
26
24
23
21
21
21
20
20
18
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
95
95
96
89
93
92
90
89
83
86
84
87
80
72
68
65
71
74
80
78
77
75
74

Pressure (mb)

1010
1008
1007
1005
1004
1001
999
997
995
993
991
993
995
997
999
1001
1003
1004
1004
1005
1006
1008
1009
1010

Ozone (du)

294
295
295
295
295
297
297
299
302
307
309
314
316
314
320
323
330
331
331
332
339
346
353
353

Friday 23

Waxing Gibbous 94%

16:46

05:26

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

Sun - Rise: 07:41, Set: 17:48, Transit: 12:44. Moon - Rise: 16:46, Set: 05:26. Civil Dark: 18:22 - 07:07. Nautical Dark: 19:01 - 06:28. Astro Dark: 19:40 - 05:49

Total Clouds (% Sky Obscured)

30
30
29
26
44
60
75
66
59
55
57
64
69
68
73
85
92
93
92
90
89
89
91
95

Low Clouds (% Sky Obscured)

7
8
7
6
15
25
34
33
31
31
37
43
48
44
41
38
33
37
42
44
45
51
81
84

Medium Clouds (% Sky Obscured)

30
30
29
26
41
55
69
61
52
43
38
34
26
38
52
61
62
51
35
30
26
21
40
63

High Clouds (% Sky Obscured)

0
0
0
0
3
3
5
5
5
5
10
20
30
55
73
80
84
87
88
88
86
85
89
93

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

Precipitation Probability (%)

2
1
1
0
22
37
52
48
39
20
28
30
26
19
18
22
27
36
49
64
78
95
94
86

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
0.7
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
1
1
1
2
1
2
2
2
2
2
2
2
2
2
5
5
5
6
8
9
8

Dew Point (°C)

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

Relative Humidity (%)

74
72
75
76
79
82
85
88
85
82
79
81
79
81
77
72
69
68
67
66
69
73
76
76

Pressure (mb)

1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011

Ozone (du)

352
352
352
352
353
354
354
355
358
360
362
363
364
365
360
356
352
345
339
333
328
324
320
317

Saturday 24

Waxing Gibbous 98%

16:00

05:50

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

Sun - Rise: 06:43, Set: 16:45, Transit: 11:44. Moon - Rise: 16:00, Set: 05:50. Civil Dark: 17:20 - 06:09. Nautical Dark: 17:59 - 05:29. Astro Dark: 18:38 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
100
98
95
86
71
60
59
55
56
56
68
80
88

Low Clouds (% Sky Obscured)

82
68
58
40
30
22
27
35
45
59
73
84
71
60
59
55
48
44
36
31
29

Medium Clouds (% Sky Obscured)

89
86
82
79
82
89
73
57
41
36
28
20
40
60
59
55
56
54
54
53
57

High Clouds (% Sky Obscured)

100
100
100
100
95
84
89
94
100
83
67
51
57
53
55
49
35
27
27
26
25

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

Light Rain
Light Rain
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

Precipitation Probability (%)

84
81
85
95
95
95
93
70
44
29
18
11
13
12
10
13
11
0
2
5
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
72
74
74
72
72
72
73
74
78
84
87
85
83
79
79
77
77
79
80

Pressure (mb)

1010
1009
1009
1008
1007
1007
1007
1007
1007
1008
1008
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013

Ozone (du)

315
313
309
305
300
293
289
286
283
280
279
278
277
276
274
273
272
271
270
269
267

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 18/10/26 21:19:02. Forecast: 18/10/26 to 25/10/26. Timezone: UTC+1.00