Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 13

Waxing Crescent 17%

12:18

18:40

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

Sun - Rise: 07:18, Set: 16:13, Transit: 11:45. Moon - Rise: 12:18, Set: 18:40. Civil Dark: 16:50 - 06:41. Nautical Dark: 17:31 - 06:00. Astro Dark: 18:10 - 05:20

Total Clouds (% Sky Obscured)

0
0
0
1
1
2
3
19
10
52
62
27
3
8
25
14
20
34
52
45
51
62
57
44

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
0
0
0
0
0
0
0
0
0
18
28
0
15
21
28
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
25
0
0
0
7
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
1
2
2
10
5
5
62
27
3
8
25
14
20
27
31
45
34
46
35
42

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
1
23
100
99
91
53
18
4
2

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)

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

Chance of Frost

Temperature (°C)

6
6
4
3
2
2
1
1
1
0
0
0
0
0
0
-0
-0
-1
-1
1
3
5
6
7

Feels Like (°C)

5
5
3
2
1
1
0
0
-1
-1
-1
-3
-3
-1
-2
-4
-3
-3
-4
-2
-1
2
3
4

Dew Point (°C)

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

Relative Humidity (%)

49
54
61
68
74
76
77
75
77
78
77
77
78
80
81
80
81
81
77
69
59
57
57
58

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1019
1018
1018
1018
1017
1016

Ozone (du)

277
274
272
271
271
270
270
270
271
272
273
275
275
274
272
266
262
264
265
267
267
267
265
263

Saturday 14

Waxing Crescent 25%

12:42

19:48

14 OK
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
12 Bad
13 Bad

Sun - Rise: 07:20, Set: 16:12, Transit: 11:45. Moon - Rise: 12:42, Set: 19:48. Civil Dark: 16:49 - 06:42. Nautical Dark: 17:30 - 06:01. Astro Dark: 18:09 - 05:22

Total Clouds (% Sky Obscured)

40
54
69
92
84
87
90
100
100
100
100
87
99
100
100
100
100
100
100
100
100
98
100
86

Low Clouds (% Sky Obscured)

0
18
28
28
5
0
6
14
17
17
20
37
47
31
42
43
51
77
53
93
87
79
69
76

Medium Clouds (% Sky Obscured)

0
0
0
0
0
25
15
15
0
4
2
77
6
7
16
99
100
97
94
100
100
97
100
86

High Clouds (% Sky Obscured)

40
41
61
88
81
81
87
100
100
100
100
63
94
100
100
100
100
100
100
100
100
60
55
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
6
4
2

Fog (%)

1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
29
32
90
95
95
94
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0.8
0.6
0.8
1.5

Wind Speed/Direction (mph)

7
5
5
6
6
6
6
7
7
7
7
7
7
7
7
8
9
10
12
13
13
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
3
1
1
1
1
1
-1
0
-0
1
0
1
1
1
0
1
1
2
4
5
6
7

Dew Point (°C)

1
2
2
1
2
2
2
2
2
2
1
1
1
1
1
2
2
2
2
4
7
9
9
10

Relative Humidity (%)

63
70
76
80
85
86
88
89
88
86
83
83
82
82
82
82
80
79
78
79
93
96
90
93

Pressure (mb)

1015
1014
1014
1013
1013
1012
1011
1011
1010
1008
1007
1006
1005
1004
1003
1002
1001
1000
999
998
997
996
994
993

Ozone (du)

261
262
266
268
270
269
267
268
270
275
279
282
283
284
286
289
287
287
287
288
290
286
286
286

Sunday 15

Waxing Crescent 33%

13:00

21:01

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 OK
10 OK
11 OK
12 OK
13 Bad

Sun - Rise: 07:21, Set: 16:10, Transit: 11:45. Moon - Rise: 13:00, Set: 21:01. Civil Dark: 16:47 - 06:44. Nautical Dark: 17:28 - 06:03. Astro Dark: 18:08 - 05:23

Total Clouds (% Sky Obscured)

77
97
86
79
73
65
87
55
59
53
57
49
40
83
100
100
85
72
61
26
20
19
32
48

Low Clouds (% Sky Obscured)

68
95
77
74
66
62
80
55
44
41
46
39
38
16
20
20
24
1
2
6
13
19
20
22

Medium Clouds (% Sky Obscured)

77
91
83
4
12
5
9
8
4
3
57
49
40
18
20
20
17
10
13
7
4
0
15
33

High Clouds (% Sky Obscured)

50
45
12
0
0
3
3
0
0
0
0
0
16
45
62
60
82
63
50
0
0
0
12
23

ISS Passover

Visibility (miles)

2
9
4
5
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
76
65
31
10
1
0
2
9
4
2
3
12
5
5
1
0
0
0
0
0
8
6
3

Precipitation Amount (mm)

0.9
0.4
0.2
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)

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

Chance of Frost

Temperature (°C)

11
10
9
9
9
9
8
8
7
6
5
4
4
3
3
3
2
2
2
2
4
5
6
6

Feels Like (°C)

6
7
6
7
5
6
4
3
2
-1
-2
-3
-3
-4
-4
-4
-4
-3
-3
-3
-0
0
2
1

Dew Point (°C)

10
8
8
9
8
7
7
6
4
2
2
1
1
-1
-2
-2
-2
-1
-1
-1
-1
-1
-0
-1

Relative Humidity (%)

93
88
91
95
93
91
91
85
82
75
79
79
80
75
72
73
73
77
77
82
71
65
64
63

Pressure (mb)

991
991
991
991
991
992
993
994
995
995
996
997
998
999
1000
1001
1002
1003
1003
1004
1004
1004
1004
1003

Ozone (du)

293
301
295
305
311
333
337
332
333
333
334
343
338
328
327
327
328
326
324
321
314
308
307
314

Monday 16

Waxing Crescent 43%

13:14

22:14

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
12 Bad
13 Bad

Sun - Rise: 07:23, Set: 16:09, Transit: 11:45. Moon - Rise: 13:14, Set: 22:14. Civil Dark: 16:46 - 06:46. Nautical Dark: 17:27 - 06:04. Astro Dark: 18:07 - 05:25

Total Clouds (% Sky Obscured)

61
61
59
89
100
100
100
100
100
100
100
100
100
98
96
93
96
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
16
8
1
1
1
0
22
40
61
93
87
100
92
84
77
77
75
74
84
92
100
93
84

Medium Clouds (% Sky Obscured)

50
55
55
55
60
55
87
95
100
100
94
85
78
75
79
83
79
73
70
79
87
94
78
81

High Clouds (% Sky Obscured)

45
50
57
89
100
100
100
100
100
100
77
53
30
25
25
30
53
53
70
71
100
92
97
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
2
0
0
0
0
0
0
0
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
25
42
68
93
95
95
95
95
95
95
95
95
95
95
79
28
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.6
0.6
0.7
1.4
3.4
4.8
3.8
1.6
1.4
1.5
1.2
0.5
0
0

Wind Speed/Direction (mph)

13
13
11
10
8
7
6
5
5
7
9
10
12
14
13
12
12
14
16
17
17
17
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
-1
-1
0
0
1
1
0
0
-0
0
1
1
1
2
2
3
2
2
2
1

Dew Point (°C)

-1
0
1
1
2
2
2
2
1
1
0
0
1
3
5
6
7
7
7
8
8
7
7
5

Relative Humidity (%)

63
65
72
82
89
91
89
88
86
83
79
76
75
80
90
96
98
98
98
98
98
98
94
87

Pressure (mb)

1003
1003
1003
1002
1002
1001
1000
999
996
994
992
989
986
982
980
979
978
977
977
977
978
979
979
981

Ozone (du)

315
316
310
306
301
299
293
288
287
286
283
284
282
284
282
285
292
302
308
309
308
309
314
310

Tuesday 17

First Quarter 53%

13:27

23:28

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 OK
09 OK
10 OK
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:25, Set: 16:08, Transit: 11:46. Moon - Rise: 13:27, Set: 23:28. Civil Dark: 16:45 - 06:47. Nautical Dark: 17:26 - 06:06. Astro Dark: 18:06 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
91
80
72
78
85
92
95
98
100
98
96
94
79
59
39
46
45
49
48
49

Low Clouds (% Sky Obscured)

51
44
40
37
36
35
31
35
40
39
42
49
52
38
27
16
23
32
39
40
35
28
29
30

Medium Clouds (% Sky Obscured)

77
74
69
71
69
76
59
75
75
88
86
85
86
91
90
91
72
58
39
41
40
32
32
35

High Clouds (% Sky Obscured)

100
100
100
100
83
62
43
42
51
50
67
79
89
72
50
27
34
27
39
44
39
37
35
36

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
3
3
2
2
2
0
0
0
1
12
19
25
27
29
27
23
17
2
2
2
1
2
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)

16
15
13
10
8
7
6
6
5
4
4
3
3
3
3
3
3
4
4
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-1
-2
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-2
-2
-1
-1
-1
-1
-1
-0
3

Dew Point (°C)

4
3
2
2
1
1
1
0
0
-1
-1
-1
-1
-1
-1
-2
-2
-1
-1
-1
-0
0
1
1

Relative Humidity (%)

90
86
85
86
88
91
91
89
89
88
88
86
86
84
83
80
80
80
80
79
77
73
72
73

Pressure (mb)

983
985
986
987
988
988
989
989
990
990
990
990
990
990
990
990
990
991
991
992
992
993
993
993

Ozone (du)

313
313
307
305
303
304
306
307
311
322
323
320
318
315
318
320
322
323
324
325
326
327
329
329

Wednesday 18

Waxing Gibbous 63%

13:38

00:43

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
12 Bad
13 Bad

Sun - Rise: 07:26, Set: 16:06, Transit: 11:46. Moon - Rise: 13:38, Set: 00:43. Civil Dark: 16:44 - 06:49. Nautical Dark: 17:25 - 06:07. Astro Dark: 18:05 - 05:27

Total Clouds (% Sky Obscured)

50
59
67
75
83
93
100
99
98
97
98
99
100
100
100
100
100
100
100
99
97
95
83
71

Low Clouds (% Sky Obscured)

32
52
67
75
75
74
73
72
71
71
71
72
74
73
78
81
77
72
66
59
52
44
38
30

Medium Clouds (% Sky Obscured)

43
57
67
75
83
93
100
96
92
89
85
79
74
72
71
71
82
91
100
97
94
91
69
40

High Clouds (% Sky Obscured)

29
21
20
30
60
86
99
96
96
95
66
43
25
47
66
87
87
86
86
75
62
43
29
21

ISS Passover

Visibility (miles)

9
9
7
5
2
2
1
0
0
0
0
0
0
0
3
6
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
28
44
57
61
61
58
57
52
42
37
32
26
24
18
4
5
4
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
4
3
2
2
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
4
4
4

Feels Like (°C)

3
3
2
2
2
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-1
-1
-1
-2
-2
-1
-1
-1
1

Dew Point (°C)

1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
-0
-1
-1
-1
-1
1
1
2

Relative Humidity (%)

78
79
85
89
94
94
98
98
100
98
100
98
98
96
94
94
91
88
83
80
80
80
80
83

Pressure (mb)

993
993
994
994
994
995
995
995
995
995
996
996
996
996
997
997
997
998
998
999
999
1000
1000
1000

Ozone (du)

330
330
334
338
341
343
344
345
344
343
342
340
337
334
336
337
339
340
341
342
342
342
341
340

Thursday 19

Waxing Gibbous 73%

13:50

01:59

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 Bad
04 Bad
05 Bad

Sun - Rise: 07:28, Set: 16:05, Transit: 11:46. Moon - Rise: 13:50, Set: 01:59. Civil Dark: 16:43 - 06:50. Nautical Dark: 17:24 - 06:09. Astro Dark: 18:04 - 05:29

Total Clouds (% Sky Obscured)

59
61
66
69
70
69
64
63
56
52
49
49
46
50
49
57

Low Clouds (% Sky Obscured)

23
21
23
27
37
48
53
56
56
52
49
49
46
50
49
57

Medium Clouds (% Sky Obscured)

10
4
3
3
1
1
0
0
0
0
0
0
0
6
11
16

High Clouds (% Sky Obscured)

12
6
3
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

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

Precipitation Type

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
0
3
5
2
7
8
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
7
7
7
7
6
6
6
6
6
7
7
7
7
7

Chance of Frost

Temperature (°C)

5
5
4
4
3
3
3
2
2
2
2
2
2
3
3
3

Feels Like (°C)

1
1
2
3
2
1
1
1
2
2
1
1
1
1
1
1

Dew Point (°C)

2
3
2
2
2
1
1
1
1
1
0
0
0
0
0
-0

Relative Humidity (%)

83
86
88
89
91
89
89
89
89
88
86
86
85
83
83
82

Pressure (mb)

1001
1001
1002
1003
1003
1004
1005
1006
1006
1007
1007
1008
1008
1008
1009
1009

Ozone (du)

339
337
334
331
329
327
326
325
326
327
328
326
325
323
323
322

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

Generated: 13/11/26 13:38:03. Forecast: 13/11/26 to 19/11/26. Timezone: UTC+0.00