Clear Outside v1.0 - International Weather Forecasts For Astronomers

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)

88
91
92
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
86

Low Clouds (% Sky Obscured)

88
91
92
94
97
90
99
90
86
82
90
97
100
99
91
94
99
100
100
100
100
100
99
82

Medium Clouds (% Sky Obscured)

63
50
46
94
98
87
98
99
99
100
100
98
100
100
100
82
100
59
56
59
56
59
49
35

High Clouds (% Sky Obscured)

88
55
92
11
61
100
82
80
81
39
29
39
70
81
85
100
100
67
71
70
8
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

9
20
22
52
52
60
59
48
42
49
58
82
95
76
64
70
57
56
52
25
19
3
1
2

Precipitation Amount (mm)

0
0
0
0.2
0
0
0.2
0
0
0
0
0.4
0.9
0.4
0.2
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
11
11
11
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11
11
10
10

Feels Like (°C)

8
8
8
9
10
9
9
9
9
9
9
9
8
8
7
9
9
9
9
10
9
8
7
7

Dew Point (°C)

7
8
8
9
10
10
10
10
10
10
10
10
10
9
9
10
10
10
10
10
10
9
9
8

Relative Humidity (%)

84
87
88
90
93
90
87
86
87
88
87
87
88
86
87
92
92
92
93
95
93
91
90
85

Pressure (mb)

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

Ozone (du)

279
278
278
277
276
276
276
277
277
277
278
279
279
278
280
281
282
284
284
285
288
289
292
296

Tuesday 20

Waxing Gibbous 67%

16:10

01:33

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
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: 07:36, 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)

88
81
63
57
54
30
45
55
66
74
94
89
95
100
96
68
96
98
100
94
96
100
99
92

Low Clouds (% Sky Obscured)

78
50
37
21
10
14
45
55
66
74
84
40
43
63
83
39
94
95
100
91
90
86
81
67

Medium Clouds (% Sky Obscured)

40
37
36
30
34
11
3
21
66
69
87
83
83
100
57
25
4
30
59
34
34
96
90
58

High Clouds (% Sky Obscured)

10
0
0
32
1
3
0
0
2
0
2
43
43
30
24
52
6
0
0
0
0
0
2
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
5
3
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
5
27
55
75
63
16
32
48
42
31
18
19
39
40
54
52
37
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
7
8
7
7
7
8
9
9
10
11
11
12
13
13
14
16
16
21
22
20
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
9
9
8
8
6
5
4
4
4
3
4
4
4
4
6
4
3
2
1
0
1
0

Dew Point (°C)

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

Relative Humidity (%)

85
88
90
88
85
84
81
79
85
91
93
80
78
71
68
66
64
66
71
81
80
78
82
78

Pressure (mb)

1005
1005
1005
1004
1004
1003
1002
1002
1001
1000
999
1000
1000
1000
1000
999
999
999
999
999
1000
1002
1004
1005

Ozone (du)

301
306
309
308
293
284
286
287
289
293
295
292
292
297
302
303
303
306
303
304
303
302
301
298

Wednesday 21

Waxing Gibbous 79%

16:22

02:49

21 Bad
22 Bad
23 Good
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 OK
09 OK
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)

45
45
0
40
57
99
92
53
53
39
38
37
41
61
68
55
52
62
76
91
97
100
100
100

Low Clouds (% Sky Obscured)

45
8
0
13
31
92
87
27
27
25
29
33
38
43
41
40
36
26
52
42
35
35
56
73

Medium Clouds (% Sky Obscured)

45
45
0
17
24
22
17
16
15
8
0
0
0
0
0
0
7
62
76
86
95
100
100
100

High Clouds (% Sky Obscured)

45
1
0
0
2
3
0
0
0
0
0
0
3
17
39
33
31
44
37
43
80
100
100
100

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
6

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

Precipitation Probability (%)

29
0
0
0
7
62
40
9
5
0
0
0
0
0
0
0
0
2
8
19
28
53
66
60

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.2

Wind Speed/Direction (mph)

15
14
12
11
8
7
8
6
6
6
6
7
7
9
10
10
11
11
10
9
8
8
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
0
3
3
4
3
4
6
6
6
6
7
7
8
8
9
10
10
10
9
8
7
7

Dew Point (°C)

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

Relative Humidity (%)

82
71
70
74
79
81
82
84
91
93
91
90
85
74
67
65
62
59
63
70
81
88
93
88

Pressure (mb)

1006
1007
1008
1009
1009
1009
1009
1009
1009
1009
1009
1010
1011
1011
1012
1012
1012
1011
1011
1010
1009
1009
1007
1007

Ozone (du)

298
303
311
313
312
311
314
313
311
311
311
313
308
302
300
296
292
287
284
281
280
279
280
282

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 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)

100
100
100
100
100
58
76
100
100
100
100
100
100
100
100
100
100
100
100
89
78
63
47
53

Low Clouds (% Sky Obscured)

90
92
94
96
62
45
46
85
88
86
87
85
86
90
93
96
95
94
93
78
66
44
7
6

Medium Clouds (% Sky Obscured)

100
100
100
99
99
32
54
97
61
100
90
86
73
86
86
98
100
47
94
89
28
63
46
53

High Clouds (% Sky Obscured)

100
100
68
65
100
58
57
94
100
100
100
100
38
35
64
100
100
47
60
54
20
2
9
2

ISS Passover

Visibility (miles)

5
6
2
2
4
8
7
9
9
3
9
9
9
9
8
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

74
95
95
95
95
95
95
95
95
95
80
95
78
74
95
95
95
80
69
48
25
3
1
0

Precipitation Amount (mm)

0.4
1
1.3
0.8
0.7
0.8
1
0.9
0.9
0.7
0.3
0.6
0.3
0.3
0.5
0.6
0.8
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

12
14
15
17
17
16
17
19
21
23
20
13
14
19
19
19
18
24
27
29
28
25
23
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
5
6
5
5
6
7
5
4
3
5
8
8
4
3
3
4
1
-1
-1
-1
-1
0
0

Dew Point (°C)

9
8
9
10
8
9
8
8
9
10
9
10
11
10
10
9
9
8
7
5
4
3
2
1

Relative Humidity (%)

90
87
91
90
80
83
81
76
83
87
81
89
95
90
87
83
83
81
82
77
68
64
61
60

Pressure (mb)

1005
1004
1002
1000
998
997
995
993
990
986
984
983
983
984
986
989
991
994
996
999
1001
1003
1005
1007

Ozone (du)

286
289
295
301
301
311
313
309
309
309
311
311
312
312
310
310
310
313
317
315
314
313
316
320

Friday 23

Waxing Gibbous 94%

16:46

05:26

21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 Bad
04 Bad
05 OK
06 OK
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)

50
58
63
48
27
35
56
79
34
40
45
95
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

10
47
61
45
19
24
47
64
8
7
8
15
27
34
42
55
58
56
58
65
77
94
93
91

Medium Clouds (% Sky Obscured)

50
58
3
2
1
2
3
15
28
35
40
35
35
30
29
58
71
83
97
98
99
100
99
99

High Clouds (% Sky Obscured)

2
53
46
3
6
8
6
10
11
20
39
94
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
2
13
0
1
0
0
0
0
4
6
9
18
24
31
68
62
59
63
72
89
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0.3
0.3
0.6
0.8
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
0
0
0
0
0
1
0
0
1
2
3
2
3
4
5
6
6
6
7
7
8
9
8

Dew Point (°C)

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

Relative Humidity (%)

63
68
68
66
69
69
70
70
69
70
67
65
65
63
61
59
59
61
65
67
73
80
89
90

Pressure (mb)

1008
1009
1009
1010
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1012
1011
1011
1009
1008
1006
1005
1004
1002
1001

Ozone (du)

322
325
328
329
331
335
340
342
338
329
324
319
315
313
309
305
302
298
294
290
288
286
284
283

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 OK
12 OK
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 Bad
19 Bad
20 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
98
96
98
99
100
87
74
60
42
28
22
28
33
40
34
25
17
42
65
85

Low Clouds (% Sky Obscured)

92
97
99
100
98
96
97
97
95
84
72
57
42
27
11
27
33
40
34
25
17
11
8
9

Medium Clouds (% Sky Obscured)

98
98
98
98
88
67
59
50
41
30
17
2
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
93
90
90
90
95
95
95
95
67
39
16
7
2
0
0
0
0
0
0
0
18
33
53

ISS Passover

Visibility (miles)

3
2
4
6
8
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
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
None
None

Precipitation Probability (%)

95
95
95
95
95
51
45
41
39
38
36
29
21
14
0
12
14
16
18
17
10
10
11
9

Precipitation Amount (mm)

1.3
1.1
0.9
1
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
8
7
11
12
12
11
11
11
9
8
7
7
6
5
5
4
4
3
3
1
1

Dew Point (°C)

12
12
13
14
15
14
15
14
13
12
10
7
4
4
4
4
4
4
4
4
3
2
2
1

Relative Humidity (%)

92
92
95
95
98
95
95
92
89
86
80
72
67
66
64
62
62
62
62
60
60
60
60
59

Pressure (mb)

999
998
996
995
994
993
992
992
992
992
994
996
998
999
999
1000
1001
1001
1002
1003
1004
1005
1006
1008

Ozone (du)

281
280
278
276
274
269
266
268
270
272
279
286
293
302
311
321
321
322
323
321
318
316
313
309

Sunday 25

Waxing Gibbous 100%

16:19

07:17

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

Sun - Rise: 06:45, Set: 16:44, Transit: 11:44. Moon - Rise: 16:19, Set: 07:17. Civil Dark: 17:18 - 06:10. Nautical Dark: 17:58 - 05:31. Astro Dark: 18:36 - 04:52

Total Clouds (% Sky Obscured)

86
85
82
73
61
49
46
46
46
39
34
40
78
94
96
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

21
27
40
39
37
28
30
30
29
25
21
20
27
41
54
77
93
100
94
88
83

Medium Clouds (% Sky Obscured)

3
3
5
5
5
5
5
5
5
11
11
16
36
50
67
78
88
98
81
67
55

High Clouds (% Sky Obscured)

53
52
45
35
36
31
26
22
19
31
34
40
46
55
60
65
75
82
69
56
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

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
2
1
3
3
0
0
0
0
0
2
3
15
17
16
16
11
1
17
20
19

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
63
65
62
58
58
62
66
73
70
69
68
67
65
62
65
66
66
68
71

Pressure (mb)

1009
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

306
300
294
288
284
281
277
275
272
270
268
265
263
263
262
262
262
262
262
262
263

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

Generated: 19/10/26 21:41:09. Forecast: 19/10/26 to 25/10/26. Timezone: UTC+1.00