Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 10

Waxing Crescent 5%

10:04

16:50

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:13, Set: 16:15, Transit: 11:44. Moon - Rise: 10:04, Set: 16:50. Civil Dark: 16:52 - 06:37. Nautical Dark: 17:34 - 05:56. Astro Dark: 18:13 - 05:17

Total Clouds (% Sky Obscured)

63
71
78
100
100
100
100
100
100
100
100
100
100
100
97
100
96
98
97
98
97
96
94
94

Low Clouds (% Sky Obscured)

63
71
78
99
93
95
96
96
94
94
93
91
90
91
78
55
51
53
47
49
55
57
69
72

Medium Clouds (% Sky Obscured)

63
71
78
100
100
100
100
100
100
100
100
100
100
100
96
99
96
98
97
95
97
96
92
84

High Clouds (% Sky Obscured)

63
71
78
100
100
100
100
100
100
100
100
100
100
99
53
96
46
64
57
30
30
30
10
9

ISS Passover

Visibility (miles)

8
5
5
7
6
4
3
8
5
3
3
5
4
6
5
4
4
4
5
8
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
None
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
None
None
None

Precipitation Probability (%)

60
93
89
92
95
95
95
95
95
95
95
95
95
95
95
92
84
68
53
36
27
20
9
3

Precipitation Amount (mm)

0
0.3
0
0.6
1
1.3
1
0.7
1.1
1.5
1.4
1.2
1
0.8
0.9
0.7
0.7
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7
8
8
8
8
9
9
8

Feels Like (°C)

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

Dew Point (°C)

5
6
6
6
6
7
7
7
7
6
7
6
6
6
6
6
7
7
7
7
7
7
7
6

Relative Humidity (%)

81
87
90
91
91
93
93
93
93
93
94
94
94
93
93
94
94
94
93
90
88
87
87
85

Pressure (mb)

1007
1006
1006
1006
1006
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

248
246
244
245
247
248
248
248
247
247
246
246
247
248
248
248
247
249
249
245
243
241
239
238

Wednesday 11

Waxing Crescent 10%

11:01

No Set

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
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 OK
13 Good
14 OK
15 Good
16 Good

Sun - Rise: 07:14, Set: 16:15, Transit: 11:44. Moon - Rise: 11:01, Set: No Set. Civil Dark: 16:51 - 06:38. Nautical Dark: 17:33 - 05:57. Astro Dark: 18:12 - 05:17

Total Clouds (% Sky Obscured)

94
95
84
58
60
61
37
44
52
55
53
64
91
93
64
62
68
85
73
29
12
20
3
3

Low Clouds (% Sky Obscured)

79
83
69
58
60
61
37
44
52
55
53
64
91
93
64
62
68
84
71
29
12
20
2
2

Medium Clouds (% Sky Obscured)

81
49
14
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
5
3
2
0
0
0
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
None
None

Precipitation Probability (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
90
88
87
87
85
85
86
88
88
89
88
83
88
91
83
75
64
60
65
69
74

Pressure (mb)

1005
1005
1005
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1007
1007
1007
1008
1007
1007
1008
1008
1009

Ozone (du)

242
242
237
239
244
244
242
243
242
246
245
246
246
243
242
241
240
240
240
241
243
244
243
243

Thursday 12

Waxing Crescent 17%

11:45

17:39

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

Sun - Rise: 07:16, Set: 16:13, Transit: 11:45. Moon - Rise: 11:45, Set: 17:39. Civil Dark: 16:50 - 06:39. Nautical Dark: 17:32 - 05:58. Astro Dark: 18:11 - 05:19

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

1
1
1
2
1
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
77
79
80
78
78
78
78
78
78
78
80
78
77
70
62
58
55
54
53
59
63

Pressure (mb)

1009
1010
1011
1012
1012
1013
1013
1014
1014
1015
1015
1015
1016
1017
1018
1018
1019
1020
1020
1020
1020
1020
1020
1021

Ozone (du)

243
245
248
249
251
253
254
257
259
261
262
262
263
263
264
265
267
272
274
277
280
281
282
282

Friday 13

Waxing Crescent 25%

12:18

18:40

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

Sun - Rise: 07:18, Set: 16:12, Transit: 11:45. Moon - Rise: 12:18, Set: 18:40. Civil Dark: 16:49 - 06:41. Nautical Dark: 17:31 - 06:00. Astro Dark: 18:10 - 05:20

Total Clouds (% Sky Obscured)

0
0
3
3
3
4
4
6
6
5
5
4
5
21
33
44
43
36
41
38
38
42
43
39

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
6
13
21
21
22
22
18
14
10
8
3

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
3
3
2
2
2
2
3
2
3
2
4
16
18
26
30
14
26
24
26
35
40
38

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
65
65
65
64
65
65
64
64
65
66
66
67
67
66
64
62
63
65
67
71
77
82

Pressure (mb)

1021
1022
1022
1022
1023
1023
1022
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1019
1018
1018
1017

Ozone (du)

282
282
282
280
279
276
275
274
272
271
272
271
269
268
268
269
269
268
269
269
267
268
269
269

Saturday 14

Waxing Crescent 33%

12:42

19:48

17 OK
18 OK
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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:20, Set: 16:10, Transit: 11:45. Moon - Rise: 12:42, Set: 19:48. Civil Dark: 16:47 - 06:42. Nautical Dark: 17:30 - 06:01. Astro Dark: 18:09 - 05:22

Total Clouds (% Sky Obscured)

36
46
66
88
90
92
94
92
90
89
92
96
100
94
92
92
91
91
93
95
95
95
97
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
15
30
39
37
49
55
45
36
31
46
59
73
79
83

Medium Clouds (% Sky Obscured)

0
0
0
0
5
10
81
76
76
77
81
80
72
44
48
53
60
61
61
53
44
36
35
39

High Clouds (% Sky Obscured)

36
44
65
88
90
92
92
89
87
86
91
96
100
68
63
59
52
45
37
46
59
76
83
85

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
0
0
0
0
0
0
1
14
21
24
28
29

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
1
0
0
0
0
-0
-1
-1
-1
-1
-1
0
1
1
1
1
1
6
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

85
86
88
89
88
88
86
85
83
85
83
85
83
83
83
82
80
78
75
74
75
78
81
85

Pressure (mb)

1017
1017
1016
1016
1015
1015
1014
1013
1012
1011
1010
1010
1009
1009
1009
1009
1009
1008
1007
1006
1005
1004
1004
1003

Ozone (du)

270
270
270
269
270
270
268
269
269
268
272
274
277
278
277
277
276
279
283
287
286
286
286
286

Sunday 15

Waxing Crescent 31%

13:00

21:01

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:21, Set: 16:09, Transit: 11:45. Moon - Rise: 13:00, Set: 21:01. Civil Dark: 16:46 - 06:44. Nautical Dark: 17:28 - 06:03. Astro Dark: 18:08 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
82
76
78
78

Low Clouds (% Sky Obscured)

86
84
82
78
81
85
90
87
84
80
76
70
65
66
69
68
75
81
85
82
78
74
76
77

Medium Clouds (% Sky Obscured)

41
47
50
53
69
83
100
88
77
66
75
85
94
96
98
100
100
99
99
88
77
70
70
70

High Clouds (% Sky Obscured)

84
81
88
100
85
65
44
61
79
100
100
100
100
100
100
100
99
97
96
81
69
65
78
78

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

26
31
40
47
52
60
80
76
70
74
69
59
62
78
76
73
63
42
12
24
26
32
44
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
9
10
11
11
12
13
14
14
15
15
15
15
14
13
12
11
11
12
10
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
91
91
90
91
93
93
95
95
96
95
96
96
96
96
96
95
91
90
90
90
88
91

Pressure (mb)

1002
1002
1001
1000
999
997
996
995
993
992
990
990
989
989
989
989
989
989
989
988
989
989
989
990

Ozone (du)

286
287
289
291
293
292
291
290
290
289
289
291
292
293
295
296
298
297
296
296
294
292
290
290

Monday 16

Waxing Crescent 43%

13:14

22:14

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

Sun - Rise: 07:23, Set: 16:08, Transit: 11:45. Moon - Rise: 13:14, Set: 22:14. Civil Dark: 16:45 - 06:46. Nautical Dark: 17:27 - 06:04. Astro Dark: 18:07 - 05:25

Total Clouds (% Sky Obscured)

77
80
82
85
72
57
45
52
58
65
62
58
49
58
67
76
84
91
100

Low Clouds (% Sky Obscured)

77
59
40
21
15
11
5
12
15
15
20
25
28
36
41
44
58
72
86

Medium Clouds (% Sky Obscured)

65
60
60
60
45
35
27
27
24
14
13
19
24
20
18
19
45
66
82

High Clouds (% Sky Obscured)

77
80
82
85
72
57
43
29
15
2
3
3
4
13
25
44
65
83
100

ISS Passover

Visibility (miles)

8
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

35
39
30
11
5
1
0
0
1
0
0
0
0
2
5
5
43
75
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8

Wind Speed/Direction (mph)

6
7
7
7
7
7
8
10
10
10
10
9
9
9
9
11
13
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
95
95
93
93
93
93
94
90
86
83
82
81
79
81
85
87
90
90

Pressure (mb)

990
991
992
993
994
994
995
996
996
996
996
996
995
994
993
992
990
989
987

Ozone (du)

289
288
296
303
311
306
302
297
295
293
291
288
284
281
279
277
275
275
274

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

Generated: 10/11/26 17:36:50. Forecast: 10/11/26 to 16/11/26. Timezone: UTC+0.00