Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 29

Waning Gibbous 84%

20:17

10:25

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

Sun - Rise: 07:03, Set: 18:52, Transit: 12:57. Moon - Rise: 20:17, Set: 10:25. Civil Dark: 19:19 - 06:36. Nautical Dark: 19:50 - 06:05. Astro Dark: 20:21 - 05:34

Total Clouds (% Sky Obscured)

98
97
96
88
94
71
79
85
81
47
36
29
18
21
32
36
33
25
49
42
54
32
31
14

Low Clouds (% Sky Obscured)

74
79
77
61
76
59
60
70
73
32
12
0
0
0
0
0
0
0
9
21
17
13
6
0

Medium Clouds (% Sky Obscured)

46
42
44
37
35
26
22
21
12
20
24
24
18
21
32
36
33
21
34
29
28
6
18
7

High Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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
1
13
13
10
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)

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

Chance of Frost

Temperature (°C)

17
18
19
20
21
22
22
23
23
22
22
20
19
18
18
18
18
17
17
17
17
17
16
16

Feels Like (°C)

17
18
20
21
21
22
24
23
23
23
24
23
23
22
21
21
20
20
20
19
20
20
19
18

Dew Point (°C)

14
15
16
16
15
15
14
15
16
16
16
16
16
15
15
15
15
15
15
15
15
15
15
15

Relative Humidity (%)

85
81
78
76
70
66
59
61
67
65
70
77
81
82
82
85
85
85
86
87
86
87
89
90

Pressure (mb)

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

Ozone (du)

293
292
289
287
286
284
281
281
282
283
282
282
282
283
285
286
284
282
280
279
278
279
279
279

Wednesday 30

Waning Gibbous 74%

21:00

11:40

08 Bad
09 Bad
10 OK
11 OK
12 OK
13 Bad
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

Sun - Rise: 07:04, Set: 18:50, Transit: 12:57. Moon - Rise: 21:00, Set: 11:40. Civil Dark: 19:17 - 06:37. Nautical Dark: 19:48 - 06:06. Astro Dark: 20:20 - 05:35

Total Clouds (% Sky Obscured)

54
52
39
27
48
51
63
57
100
73
72
100
100
100
100
100
100
100
100
100
91
78
69
83

Low Clouds (% Sky Obscured)

5
16
16
22
35
36
33
23
26
29
23
21
13
3
17
17
2
19
11
13
2
3
4
0

Medium Clouds (% Sky Obscured)

21
33
25
0
11
19
0
0
0
0
0
0
3
57
27
84
81
93
100
85
62
64
51
49

High Clouds (% Sky Obscured)

25
2
1
4
4
7
25
28
100
35
40
100
100
100
100
100
100
100
100
100
84
52
35
50

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
8
15
0
17
1
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)

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

Chance of Frost

Temperature (°C)

17
19
21
22
24
25
26
27
27
26
25
23
21
20
19
19
19
19
19
18
18
18
17
17

Feels Like (°C)

19
19
23
24
25
27
27
26
26
27
26
24
21
20
19
19
19
19
19
19
18
19
19
18

Dew Point (°C)

15
16
16
15
16
16
16
16
16
16
18
17
15
16
16
16
15
16
16
16
16
16
16
15

Relative Humidity (%)

87
80
71
64
59
55
53
51
50
54
64
67
70
76
80
80
80
81
85
88
89
89
90
87

Pressure (mb)

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

Ozone (du)

280
279
277
277
277
275
274
274
273
273
272
272
272
272
272
272
272
271
271
270
269
269
268
267

Thursday 1

Waning Gibbous 63%

21:54

12:53

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

Sun - Rise: 07:05, Set: 18:49, Transit: 12:56. Moon - Rise: 21:54, Set: 12:53. Civil Dark: 19:16 - 06:38. Nautical Dark: 19:47 - 06:07. Astro Dark: 20:18 - 05:36

Total Clouds (% Sky Obscured)

99
94
92
61
43
71
44
30
29
41
73
69
42
35
25
81
91
98
93
73
68
48
35
24

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

65
52
48
46
38
68
42
30
28
38
64
39
40
28
18
17
12
17
10
5
0
0
0
0

High Clouds (% Sky Obscured)

47
81
52
11
6
7
1
0
3
12
23
37
7
4
13
66
91
98
93
73
68
48
35
24

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)

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

Chance of Frost

Temperature (°C)

18
20
22
23
25
26
27
28
28
28
26
24
23
22
21
21
20
20
20
20
19
19
19
19

Feels Like (°C)

18
20
21
23
26
28
28
29
29
31
29
24
23
23
23
22
20
19
19
18
19
19
19
20

Dew Point (°C)

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

Relative Humidity (%)

82
70
62
55
49
46
42
39
38
45
51
51
49
52
57
61
64
65
67
70
73
76
76
77

Pressure (mb)

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

Ozone (du)

267
267
266
266
265
264
263
263
263
262
262
262
262
262
262
261
260
260
260
260
260
260
260
261

Friday 2

Waning Gibbous 51%

22:58

13:58

08 OK
09 OK
10 Bad
11 OK
12 OK
13 OK
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

Sun - Rise: 07:06, Set: 18:47, Transit: 12:56. Moon - Rise: 22:58, Set: 13:58. Civil Dark: 19:14 - 06:39. Nautical Dark: 19:45 - 06:08. Astro Dark: 20:16 - 05:37

Total Clouds (% Sky Obscured)

30
39
49
44
39
27
33
42
52
98
77
74
100
82
92
81
92
93
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
70
36
28
75
37
60
17
40
39
53
23
62
75
55
41

Medium Clouds (% Sky Obscured)

0
0
0
9
17
24
26
30
34
39
44
54
65
72
65
66
84
86
98
94
57
64
98
99

High Clouds (% Sky Obscured)

30
39
43
29
13
1
13
27
35
39
46
60
70
75
80
81
85
85
82
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
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
1
1
4
5
7
36
13
18
10
9
7
17
22
15

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

Chance of Frost

Temperature (°C)

19
21
23
26
27
29
30
31
31
30
29
27
26
24
22
19
18
18
18
17
17
16
16
15

Feels Like (°C)

20
22
25
27
29
30
31
32
32
32
28
28
27
24
23
20
21
19
19
18
16
14
13
13

Dew Point (°C)

14
14
14
15
14
15
16
15
15
16
16
15
15
14
13
12
14
15
15
15
15
14
12
11

Relative Humidity (%)

75
64
56
49
44
41
41
39
39
42
47
47
52
52
59
63
77
81
85
86
89
86
80
75

Pressure (mb)

1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1014
1015
1015
1016
1017
1018
1018
1019
1019
1020
1020
1021
1022
1022

Ozone (du)

261
261
261
261
261
261
261
261
262
262
263
264
265
265
265
266
266
266
266
266
266
266
267
268

Saturday 3

Third Quarter 40%

00:09

14:53

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:07, Set: 18:46, Transit: 12:56. Moon - Rise: 00:09, Set: 14:53. Civil Dark: 19:12 - 06:40. Nautical Dark: 19:43 - 06:09. Astro Dark: 20:15 - 05:38

Total Clouds (% Sky Obscured)

94
85
100
100
96
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
8
9
9
21
58
38
93
94
95
95
96
96
96
96
95
94
95
95
96
96
95
94
93

Medium Clouds (% Sky Obscured)

83
59
100
100
56
73
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99

High Clouds (% Sky Obscured)

92
85
88
97
95
76
89
100
100
100
100
100
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
7
7
8
9
8
6
4
3
1
0
0
0

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

Precipitation Probability (%)

60
68
45
50
44
31
31
28
15
34
39
52
71
66
61
85
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.4
0.4
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.3
0.5
0.8
1
1.4
1.6
1.6
1.6
1.6
1.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
17
17
17
19
19
19
18
18
17
17
16
16
15
15
15
15
14
14
14
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
69
61
61
57
47
46
50
53
56
59
56
64
73
82
93
93
95
96
96
96
96
98
98

Pressure (mb)

1023
1024
1024
1025
1024
1024
1024
1024
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1020

Ozone (du)

270
271
273
274
274
274
273
273
273
272
272
271
271
271
271
271
271
271
271
271
271
271
271
271

Sunday 4

Waning Crescent 40%

01:24

15:37

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:08, Set: 18:44, Transit: 12:56. Moon - Rise: 01:24, Set: 15:37. Civil Dark: 19:11 - 06:41. Nautical Dark: 19:42 - 06:10. Astro Dark: 20:13 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
92
87
82
77
73
66
59
53

Low Clouds (% Sky Obscured)

91
90
91
95
97
99
99
99
99
87
75
66
53
42
26
29
38
48
51
47
44
46
48
47

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
96
92
86
76
65
56
37
18
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
89
85
66
47
23
18
11
7

ISS Passover

Visibility (miles)

0
0
0
0
1
1
2
4
7
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
Moderate Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
67
60
39
4
6
3
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.7
1.6
1.5
1.9
2.3
2.8
1.2
0.7
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
15
15
16
16
16
16
15
15
16
15
14
14
14
13
13
13
13
12
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
96
96
96
96
96
95
96
96
96
96
96
95
95
96
95
93
93
92

Pressure (mb)

1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021

Ozone (du)

271
271
271
272
271
270
270
272
274
275
278
280
282
283
284
286
285
285
285
285
286
286
286
285

Monday 5

Waning Crescent 28%

02:37

16:13

08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good

Sun - Rise: 07:09, Set: 18:43, Transit: 12:55. Moon - Rise: 02:37, Set: 16:13. Civil Dark: 19:09 - 06:42. Nautical Dark: 19:40 - 06:11. Astro Dark: 20:12 - 05:40

Total Clouds (% Sky Obscured)

47
41
32
33
33
32
18
6
1
2
6
4
6
4
0
0
0
0

Low Clouds (% Sky Obscured)

45
39
32
31
31
29
15
6
1
2
2
4
3
1
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

High Clouds (% Sky Obscured)

4
2
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
16
18
18
19
19
19
19
19
17
15
14
13
12
12
11
10

Feels Like (°C)

12
13
13
13
14
14
15
19
19
18
18
19
19
12
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

90
79
69
61
57
53
50
51
53
54
58
60
64
65
67
68
71
72

Pressure (mb)

1022
1022
1022
1023
1022
1022
1022
1021
1021
1021
1022
1022
1023
1023
1024
1024
1025
1025

Ozone (du)

285
285
286
286
285
285
284
284
283
283
284
285
285
286
286
287
287
287

Forecast for Marriottsville, Howard, United States of America (39.35,-76.90)

Generated: 29/09/26 08:57:07. Forecast: 29/09/26 to 05/10/26. Timezone: UTC-4.00