Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 28%

01:01

15:59

09 OK
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
08 Bad

Sun - Rise: 06:50, Set: 19:14, Transit: 13:02. Moon - Rise: 01:01, Set: 15:59. Civil Dark: 19:41 - 06:24. Nautical Dark: 20:13 - 05:52. Astro Dark: 20:45 - 05:20

Total Clouds (% Sky Obscured)

43
61
51
100
99
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
4
12
11
13
29
45
69
69
75
58
38
1
0
7
7
10
1
0
11
12
6
15
32

Medium Clouds (% Sky Obscured)

0
0
3
0
2
46
90
83
52
84
36
36
35
72
85
93
93
100
89
79
78
89
99
97

High Clouds (% Sky Obscured)

43
61
51
100
99
100
100
100
100
100
98
100
98
100
99
100
100
100
100
100
100
93
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

1
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
2
6
16
27
56
62
71
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
26
26
25
26
26
26
26
25
24
23
21
19
18
18
17
16
16
17
17
17
17
17
16

Feels Like (°C)

24
25
26
25
25
25
24
25
24
23
21
19
18
17
17
16
15
15
16
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

72
64
58
53
47
43
43
46
48
52
54
56
58
65
68
71
74
78
82
81
81
82
83
78

Pressure (mb)

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

Ozone (du)

294
294
293
293
290
288
287
286
286
287
288
288
289
289
288
288
288
289
289
288
288
287
287
287

Tuesday 16

Waning Crescent 28%

02:11

16:45

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
08 Bad

Sun - Rise: 06:51, Set: 19:13, Transit: 13:02. Moon - Rise: 02:11, Set: 16:45. Civil Dark: 19:40 - 06:24. Nautical Dark: 20:11 - 05:53. Astro Dark: 20:43 - 05:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
100
100
99
100
100
100
100
100
95
100
98

Low Clouds (% Sky Obscured)

22
46
64
80
79
94
91
100
89
100
97
97
94
95
99
97
100
100
99
100
100
91
100
97

Medium Clouds (% Sky Obscured)

100
100
97
100
86
80
92
78
80
83
76
77
61
86
64
65
69
40
54
47
63
40
73
91

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
84
48
45
29
1
8
7
9
8
5
9
7
4
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
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
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

91
93
95
89
78
44
75
79
84
64
66
35
29
24
8
3
6
6
21
33
27
28
29
19

Precipitation Amount (mm)

0.8
0.7
0.3
0.4
0.3
0
0.3
0.3
0.6
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
17
17
17
18
17
17
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
66
62
61
66
64
62
66
77
82
79
81
82
85
86
85
85
85
83
86
86
87
87
89

Pressure (mb)

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

Ozone (du)

286
286
286
286
286
287
287
287
287
288
289
289
289
289
290
290
290
290
290
290
290
291
291
291

Wednesday 17

Waning Crescent 18%

03:22

17:22

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
08 Bad

Sun - Rise: 06:52, Set: 19:11, Transit: 13:01. Moon - Rise: 03:22, Set: 17:22. Civil Dark: 19:38 - 06:25. Nautical Dark: 20:09 - 05:54. Astro Dark: 20:42 - 05:22

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
100
100
100
98
95
91
88
89
90
80
88
87
80

Low Clouds (% Sky Obscured)

95
91
88
94
92
90
99
100
100
100
100
100
100
100
97
94
91
88
89
90
80
88
85
80

Medium Clouds (% Sky Obscured)

95
96
98
94
69
68
52
48
41
36
33
33
35
35
32
49
52
48
45
41
50
65
67
66

High Clouds (% Sky Obscured)

27
26
4
2
2
4
3
2
1
11
8
5
2
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

43
63
89
87
74
76
83
83
73
62
63
39
41
42
43
46
44
40
29
8
9
7
0
2

Precipitation Amount (mm)

0
0.3
0.8
0.6
0.4
0.3
0.5
0.5
0.3
0.2
0.3
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
17
17
17
17
18
17
18
18
18
17
17
17
17
16
17
17
16
16
16
16
16
17

Feels Like (°C)

16
16
16
16
17
17
17
17
17
18
18
18
18
18
18
18
18
18
18
18
18
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

87
89
87
82
82
86
82
78
82
83
88
92
92
93
92
93
95
96
96
96
96
96
95
90

Pressure (mb)

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

Ozone (du)

290
290
289
289
289
288
288
288
288
287
287
288
288
287
286
285
284
284
284
284
284
283
283
283

Thursday 18

Waning Crescent 11%

04:30

17:51

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

Sun - Rise: 06:53, Set: 19:10, Transit: 13:01. Moon - Rise: 04:30, Set: 17:51. Civil Dark: 19:36 - 06:26. Nautical Dark: 20:08 - 05:55. Astro Dark: 20:40 - 05:23

Total Clouds (% Sky Obscured)

79
64
60
57
56
47
56
52
43
45
28
12
25
37
47
55
60
51
40
32
19
12
7
5

Low Clouds (% Sky Obscured)

77
64
60
55
47
42
39
35
22
11
0
0
0
0
8
15
23
15
8
0
0
0
0
0

Medium Clouds (% Sky Obscured)

61
55
48
41
34
22
12
3
2
1
0
12
24
37
43
42
37
36
34
32
19
12
7
5

High 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

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

Chance of Frost

Temperature (°C)

18
20
21
23
24
25
25
25
25
24
23
21
20
20
19
19
19
19
19
18
18
18
18
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
71
62
55
51
47
44
43
42
49
55
63
71
68
71
72
77
77
78
81
81
78
76
70

Pressure (mb)

1019
1019
1019
1018
1017
1017
1016
1016
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1016
1016
1016

Ozone (du)

283
282
282
282
283
283
285
286
286
286
286
286
286
286
286
286
287
287
287
288
290
290
290
290

Friday 19

Waning Crescent 5%

05:35

18:16

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

Sun - Rise: 06:54, Set: 19:08, Transit: 13:00. Moon - Rise: 05:35, Set: 18:16. Civil Dark: 19:35 - 06:27. Nautical Dark: 20:06 - 05:56. Astro Dark: 20:38 - 05:24

Total Clouds (% Sky Obscured)

3
0
5
11
16
0
0
0
5
8
12
27
40
54
42
29
20
16
11
2
1
0
0
14

Low Clouds (% Sky Obscured)

0
0
5
11
16
0
0
0
0
0
0
4
14
34
28
23
20
16
11
0
0
0
0
14

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
1
1
2
10
18
35
25
14
3
2
1
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
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 (%)

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

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

Chance of Frost

Temperature (°C)

23
25
27
29
30
31
31
31
30
28
25
22
22
20
19
18
17
15
14
13
12
12
12
12

Feels Like (°C)

24
26
28
29
29
31
31
31
31
31
31
31
20
20
20
19
18
18
12
12
12
11
11
10

Dew Point (°C)

14
13
12
10
10
10
11
12
13
13
13
13
10
8
5
5
5
5
4
3
2
2
2
2

Relative Humidity (%)

57
45
38
31
29
28
30
31
33
38
45
54
48
44
39
42
45
48
48
49
50
50
50
51

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1014
1015
1016
1016
1017
1018
1019
1020
1021
1022
1023
1023
1024
1025
1026
1026

Ozone (du)

290
289
289
289
290
291
290
290
289
290
292
293
293
293
293
291
289
287
287
288
288
289
289
290

Saturday 20

Waning Crescent 1%

06:38

18:38

09 OK
10 OK
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good
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 OK
08 OK

Sun - Rise: 06:55, Set: 19:06, Transit: 13:00. Moon - Rise: 06:38, Set: 18:38. Civil Dark: 19:33 - 06:28. Nautical Dark: 20:04 - 05:57. Astro Dark: 20:36 - 05:25

Total Clouds (% Sky Obscured)

29
43
29
14
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
6
18
31
34

Low Clouds (% Sky Obscured)

29
43
29
14
0
0
0
0
0
0
0
0
0
0
0
0
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
1
2
3
6
18
31
34

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

Chance of Frost

Temperature (°C)

14
16
18
19
20
22
22
22
22
20
18
16
15
14
13
12
12
11
11
10
10
10
11
11

Feels Like (°C)

10
12
12
13
14
15
21
21
21
21
21
20
14
14
14
14
13
13
11
11
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

45
41
38
35
33
30
30
29
28
31
35
38
46
56
68
71
75
79
81
84
84
84
81
81

Pressure (mb)

1027
1027
1028
1027
1027
1027
1026
1026
1025
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

290
291
292
292
291
291
291
291
291
290
288
287
287
287
286
286
285
284
284
284
284
285
285
285

Sunday 21

New Moon 0%

07:39

18:59

Sun - Rise: 06:56, Set: 19:05, Transit: 13:00. Moon - Rise: 07:39, Set: 18:59. Civil Dark: 19:31 - 06:29. Nautical Dark: 20:03 - 05:58. Astro Dark: 20:35 - 05:26

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 15/09/25 09:18:43. Forecast: 15/09/25 to 21/09/25. Timezone: UTC-4.00