Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 17

Waxing Crescent 51%

15:18

21:51

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: 07:31, Set: 18:00, Transit: 12:45. Moon - Rise: 15:18, Set: 21:51. Civil Dark: 18:34 - 06:57. Nautical Dark: 19:13 - 06:18. Astro Dark: 19:52 - 05:39

Total Clouds (% Sky Obscured)

66
70
76
84
65
57
47
54
52
39
61
62
98
96
92
66
71
71
58
61
64
75
77
100

Low Clouds (% Sky Obscured)

25
25
25
50
49
49
47
54
52
39
61
62
72
67
47
62
49
62
30
21
32
25
60
74

Medium Clouds (% Sky Obscured)

0
5
5
6
3
57
30
3
0
0
0
58
50
44
86
66
69
56
28
36
35
66
69
100

High Clouds (% Sky Obscured)

66
70
76
84
53
45
28
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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
1
5
16
7
7
7
24
23
27
20
24
9
6
5
28
65
83

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
0.3
0.6

Wind Speed/Direction (mph)

7
8
8
8
11
12
12
12
12
12
12
12
12
12
13
14
14
15
14
14
14
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
60
61
62
60
63
70
70
70
71
71
71
65
64
58
54
49
47
46
46
51
56
61
72

Pressure (mb)

1033
1033
1033
1033
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1029
1028
1028
1028
1028
1028
1028

Ozone (du)

289
290
291
290
291
291
289
288
287
286
290
292
292
292
291
292
293
294
292
289
287
287
288
290

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)

100
100
98
94
93
98
100
100
86
73
66
59
51
59
63
88
100
100
100
100
92
97
100
100

Low Clouds (% Sky Obscured)

87
71
84
84
90
90
94
92
77
43
30
24
25
30
34
46
60
62
30
50
86
87
71
84

Medium Clouds (% Sky Obscured)

93
100
95
90
89
95
57
39
44
29
44
30
22
23
3
27
56
100
30
87
31
54
55
82

High Clouds (% Sky Obscured)

2
0
2
0
13
0
0
0
0
0
0
0
0
3
22
62
98
62
100
100
53
59
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

63
73
71
76
84
78
64
50
34
6
0
0
0
0
1
3
0
0
0
12
0
2
18
29

Precipitation Amount (mm)

0
0.4
0.3
0.4
0.6
0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
10
9
8
8
7
5
5
5
5
4
3
4
6
6
7
7
6
5
5
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
87
88
88
90
88
85
85
88
87
87
84
73
67
65
60
60
66
69
74
80
83
86

Pressure (mb)

1028
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022
1022
1021

Ozone (du)

291
295
294
291
289
289
289
288
290
291
284
281
281
279
281
281
282
283
281
281
280
279
280
279

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 OK

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
99
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
97
89
90
40

Low Clouds (% Sky Obscured)

81
86
97
100
97
95
97
95
93
92
93
95
92
87
83
91
91
100
100
100
93
81
82
36

Medium Clouds (% Sky Obscured)

83
70
84
74
93
100
98
100
95
100
100
100
100
100
98
99
38
33
91
29
79
41
81
21

High Clouds (% Sky Obscured)

60
52
4
47
48
13
40
35
40
59
78
100
100
100
82
93
100
100
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
5
9
4
9
9
9
7
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
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

40
50
44
41
57
69
78
76
76
68
82
95
95
95
95
75
36
27
43
37
40
21
4
1

Precipitation Amount (mm)

0
0.2
0
0
0
0.3
0.4
0.4
0.4
0.3
0.5
0.8
1.3
1.1
0.8
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
12
12
12
12
11
11
11
12
12
12
12
12
12
12
11
11

Feels Like (°C)

10
10
10
9
9
9
9
9
9
9
10
9
9
9
9
9
10
10
10
10
10
9
9
8

Dew Point (°C)

10
10
10
10
9
9
9
9
9
9
9
9
9
10
10
10
11
11
11
11
11
11
10
9

Relative Humidity (%)

90
95
95
91
86
84
84
84
84
83
83
84
86
90
90
92
93
92
90
93
93
93
90
85

Pressure (mb)

1021
1020
1019
1018
1017
1016
1015
1014
1013
1013
1012
1011
1011
1010
1009
1009
1008
1007
1006
1006
1005
1005
1005
1006

Ozone (du)

280
280
281
280
279
279
280
280
281
282
285
284
284
284
283
284
285
285
285
285
287
291
300
304

Tuesday 20

Waxing Gibbous 67%

16:10

01:33

21 OK
22 OK
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 OK
16 Bad
17 OK
18 OK
19 Bad
20 Bad

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)

35
41
55
59
62
97
95
97
98
100
99
99
47
91
82
27
39
38
39
40
36
32
63
68

Low Clouds (% Sky Obscured)

27
22
18
18
20
70
71
79
84
90
86
36
33
31
33
27
33
27
24
24
22
22
24
23

Medium Clouds (% Sky Obscured)

14
20
40
34
34
36
34
90
98
100
97
95
28
61
15
2
12
14
20
18
10
6
58
64

High Clouds (% Sky Obscured)

0
21
37
59
41
19
2
5
8
11
72
85
30
85
73
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
1
6
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
3
38
95
95
51
23
17
5
7
2
16
22
15
4
8
8
4
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
1.5
1.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
81
81
78
74
74
80
82
95
90
80
76
76
77
67
58
56
57
53
55
61
68
70
72

Pressure (mb)

1006
1005
1005
1004
1003
1003
1002
1001
1000
1000
1001
1002
1003
1004
1005
1005
1006
1006
1007
1007
1008
1009
1009
1010

Ozone (du)

303
284
277
278
279
280
281
283
285
286
289
290
292
297
299
302
303
304
304
305
306
309
310
312

Wednesday 21

Waxing Gibbous 79%

16:22

02:49

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
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: 07:38, 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)

67
69
76
83
55
87
97
37
68
85
83
85
85
87
75
89
76
62
48
60
70
84
89
93

Low Clouds (% Sky Obscured)

19
31
24
21
21
21
20
24
18
17
21
24
64
81
47
62
44
26
8
20
26
37
36
35

Medium Clouds (% Sky Obscured)

63
58
68
76
40
77
88
21
49
65
60
65
64
70
53
70
50
31
9
24
32
42
57
76

High Clouds (% Sky Obscured)

1
4
7
10
9
7
6
4
2
0
0
0
0
7
13
22
20
21
25
43
62
79
74
70

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
5
13
10
6
2
0
3
3
1
2
3
7
18
27
39
29
22
14
12
13
18
44
59

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
74
77
81
82
85
87
88
90
88
87
82
78
75
68
63
63
63
63
68
71
76
77

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1011
1011
1011
1011
1011
1010
1009

Ozone (du)

315
315
317
316
317
318
316
316
314
314
314
314
314
313
314
312
310
307
304
301
298
295
293
290

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 OK
19 Bad
20 Bad

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)

97
98
99
100
100
100
100
98
97
95
93
90
87
80
76
76
77
77
76
56
36
16
42
67

Low Clouds (% Sky Obscured)

27
43
69
95
87
78
68
76
83
87
86
84
80
64
47
31
34
37
37
26
15
3
3
3

Medium Clouds (% Sky Obscured)

95
96
98
100
100
100
100
70
40
10
22
31
37
43
49
55
59
62
66
56
36
16
42
67

High Clouds (% Sky Obscured)

66
79
91
100
100
100
100
68
37
5
7
7
0
0
0
0
0
0
0
0
0
0
17
34

ISS Passover

Visibility (miles)

9
9
7
4
2
4
7
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8

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

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

Precipitation Probability (%)

63
68
77
95
95
95
95
95
95
95
77
50
21
28
37
45
45
44
44
36
27
18
32
43

Precipitation Amount (mm)

0.3
0.3
0.4
0.7
1
1.4
1.7
1.6
1.2
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
14
16
18
19
19
20
21
20
20
19
19
19
19
18
17
18
18
17
17
15
14
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
9
9
9
8
7
7
7
6
3
2
2
2
2
1
3
3
4
4
3
3
2

Dew Point (°C)

9
10
10
11
12
10
9
7
7
6
5
5
5
4
4
5
4
4
4
3
3
3
3
3

Relative Humidity (%)

79
81
84
87
90
84
80
73
72
70
68
67
67
66
66
67
66
65
65
62
64
64
65
69

Pressure (mb)

1009
1008
1006
1004
1003
1002
1001
1000
1000
1001
1001
1002
1002
1003
1004
1005
1005
1006
1007
1008
1009
1010
1010
1011

Ozone (du)

287
285
285
285
285
294
304
313
315
317
319
322
325
327
328
329
330
332
333
335
336
336
336
342

Friday 23

Waxing Gibbous 94%

16:46

05:26

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

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)

90
84
72
58
64
69
78
80
84
88
91
95
97
96
98
100
99
97
94
95
97
100

Low Clouds (% Sky Obscured)

4
17
22
21
18
14
12
10
10
11
16
20
25
46
65
82
73
66
64
66
68
72

Medium Clouds (% Sky Obscured)

90
77
54
31
34
37
40
48
56
65
76
87
97
96
98
99
80
61
43
36
37
36

High Clouds (% Sky Obscured)

50
54
54
45
49
63
75
71
67
59
59
66
74
64
55
45
45
55
60
60
60
60

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

Fog (%)

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

50
46
33
7
16
16
0
0
1
0
2
5
7
6
8
15
28
38
50
54
56
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
78
81
84
78
72
67
64
62
59
60
59
59
60
61
63
61
61
60
63
65

Pressure (mb)

1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1012
1012
1012
1011
1011
1010
1010
1010

Ozone (du)

348
354
354
354
354
353
351
349
350
350
351
350
350
349
350
351
351
348
344
341
337
334

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

Generated: 17/10/26 21:27:17. Forecast: 17/10/26 to 24/10/26. Timezone: UTC+1.00